| /* $XFree86$ */ |
| /************************************************************************** |
| |
| Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. |
| |
| The Weather Channel (TM) funded Tungsten Graphics to develop the |
| initial release of the Radeon 8500 driver under the XFree86 license. |
| This notice must be preserved. |
| |
| Permission is hereby granted, free of charge, to any person obtaining |
| a copy of this software and associated documentation files (the |
| "Software"), to deal in the Software without restriction, including |
| without limitation the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, and/or sell copies of the Software, and to |
| permit persons to whom the Software is furnished to do so, subject to |
| the following conditions: |
| |
| The above copyright notice and this permission notice (including the |
| next paragraph) shall be included in all copies or substantial |
| portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| **************************************************************************/ |
| |
| /* |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| #include "glheader.h" |
| #include "imports.h" |
| #include "context.h" |
| #include "macros.h" |
| #include "texformat.h" |
| #include "enums.h" |
| |
| #include "r200_context.h" |
| #include "r200_state.h" |
| #include "r200_ioctl.h" |
| #include "r200_swtcl.h" |
| #include "r200_tex.h" |
| #include "r200_tcl.h" |
| |
| |
| #define R200_TXFORMAT_AL88 R200_TXFORMAT_AI88 |
| #define R200_TXFORMAT_YCBCR R200_TXFORMAT_YVYU422 |
| #define R200_TXFORMAT_YCBCR_REV R200_TXFORMAT_VYUY422 |
| |
| #define _COLOR(f) \ |
| [ MESA_FORMAT_ ## f ] = { R200_TXFORMAT_ ## f, 0 } |
| #define _ALPHA(f) \ |
| [ MESA_FORMAT_ ## f ] = { R200_TXFORMAT_ ## f | R200_TXFORMAT_ALPHA_IN_MAP, 0 } |
| #define _YUV(f) \ |
| [ MESA_FORMAT_ ## f ] = { R200_TXFORMAT_ ## f, R200_YUV_TO_RGB } |
| #define _INVALID(f) \ |
| [ MESA_FORMAT_ ## f ] = { 0xffffffff, 0 } |
| #define VALID_FORMAT(f) ( ((f) <= MESA_FORMAT_YCBCR_REV) \ |
| && (tx_table[f].format != 0xffffffff) ) |
| |
| static const struct { |
| GLuint format, filter; |
| } |
| tx_table[] = |
| { |
| _ALPHA(RGBA8888), |
| _ALPHA(ARGB8888), |
| _INVALID(RGB888), |
| _COLOR(RGB565), |
| _ALPHA(ARGB4444), |
| _ALPHA(ARGB1555), |
| _ALPHA(AL88), |
| _INVALID(A8), |
| _INVALID(L8), |
| _COLOR(I8), |
| _INVALID(CI8), |
| _YUV(YCBCR), |
| _YUV(YCBCR_REV), |
| }; |
| |
| #undef _COLOR |
| #undef _ALPHA |
| #undef _INVALID |
| |
| /** |
| * This function computes the number of bytes of storage needed for |
| * the given texture object (all mipmap levels, all cube faces). |
| * The \c image[face][level].x/y/width/height parameters for upload/blitting |
| * are computed here. \c pp_txfilter, \c pp_txformat, etc. will be set here |
| * too. |
| * |
| * \param rmesa Context pointer |
| * \param tObj GL texture object whose images are to be posted to |
| * hardware state. |
| */ |
| static void r200SetTexImages( r200ContextPtr rmesa, |
| struct gl_texture_object *tObj ) |
| { |
| r200TexObjPtr t = (r200TexObjPtr)tObj->DriverData; |
| const struct gl_texture_image *baseImage = tObj->Image[tObj->BaseLevel]; |
| GLint curOffset; |
| GLint i; |
| GLint firstLevel=0, lastLevel=0, numLevels; |
| GLint log2Width, log2Height, log2Depth; |
| |
| /* Set the hardware texture format |
| */ |
| |
| t->pp_txformat &= ~(R200_TXFORMAT_FORMAT_MASK | |
| R200_TXFORMAT_ALPHA_IN_MAP); |
| t->pp_txfilter &= ~R200_YUV_TO_RGB; |
| |
| if ( VALID_FORMAT( baseImage->TexFormat->MesaFormat ) ) { |
| t->pp_txformat |= tx_table[ baseImage->TexFormat->MesaFormat ].format; |
| t->pp_txfilter |= tx_table[ baseImage->TexFormat->MesaFormat ].filter; |
| } |
| else { |
| _mesa_problem(NULL, "unexpected texture format in %s", __FUNCTION__); |
| return; |
| } |
| |
| |
| |
| /* Compute which mipmap levels we really want to send to the hardware. |
| * This depends on the base image size, GL_TEXTURE_MIN_LOD, |
| * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL. |
| * Yes, this looks overly complicated, but it's all needed. |
| */ |
| if (R200_DEBUG & DEBUG_TEXTURE) |
| fprintf(stderr, |
| "%s: BaseLevel %d MinLod %f MaxLod %f MaxLevel %d\n", |
| __FUNCTION__, |
| tObj->BaseLevel, tObj->MinLod, tObj->MaxLod, |
| tObj->MaxLevel); |
| |
| |
| switch (tObj->Target) { |
| case GL_TEXTURE_1D: |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_CUBE_MAP: |
| firstLevel = tObj->BaseLevel + (GLint)(tObj->MinLod + 0.5); |
| firstLevel = MAX2(firstLevel, tObj->BaseLevel); |
| lastLevel = tObj->BaseLevel + (GLint)(tObj->MaxLod + 0.5); |
| lastLevel = MAX2(lastLevel, tObj->BaseLevel); |
| lastLevel = MIN2(lastLevel, tObj->BaseLevel + baseImage->MaxLog2); |
| lastLevel = MIN2(lastLevel, tObj->MaxLevel); |
| lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */ |
| log2Width = tObj->Image[firstLevel]->WidthLog2; |
| log2Height = tObj->Image[firstLevel]->HeightLog2; |
| log2Depth = 0; |
| break; |
| case GL_TEXTURE_3D: |
| firstLevel = tObj->BaseLevel; |
| lastLevel = tObj->BaseLevel; |
| log2Width = tObj->Image[firstLevel]->WidthLog2; |
| log2Height = tObj->Image[firstLevel]->HeightLog2; |
| log2Depth = tObj->Image[firstLevel]->DepthLog2; |
| break; |
| case GL_TEXTURE_RECTANGLE_NV: |
| firstLevel = lastLevel = 0; |
| log2Width = log2Height = 1; /* ? */ |
| log2Depth = 0; |
| break; |
| default: |
| return; |
| } |
| |
| /* save these values */ |
| t->base.firstLevel = firstLevel; |
| t->base.lastLevel = lastLevel; |
| |
| numLevels = lastLevel - firstLevel + 1; |
| |
| if (R200_DEBUG & DEBUG_TEXTURE) |
| fprintf(stderr, |
| "%s: firstLevel %d last Level %d w,h: %d,%d log(w,h) %d,%d\n", |
| __FUNCTION__, firstLevel, lastLevel, |
| tObj->Image[firstLevel]->Width, |
| tObj->Image[firstLevel]->Height, |
| tObj->Image[firstLevel]->WidthLog2, |
| tObj->Image[firstLevel]->HeightLog2); |
| |
| |
| assert(numLevels <= RADEON_MAX_TEXTURE_LEVELS); |
| |
| /* Calculate mipmap offsets and dimensions for blitting (uploading) |
| * The idea is that we lay out the mipmap levels within a block of |
| * memory organized as a rectangle of width BLIT_WIDTH_BYTES. |
| */ |
| curOffset = 0; |
| |
| for (i = 0; i < numLevels; i++) { |
| const struct gl_texture_image *texImage; |
| GLuint size; |
| |
| texImage = tObj->Image[i + firstLevel]; |
| if ( !texImage ) |
| break; |
| |
| /* find image size in bytes */ |
| if (texImage->IsCompressed) { |
| size = texImage->CompressedSize; |
| } |
| else if (tObj->Target == GL_TEXTURE_RECTANGLE_NV) { |
| size = ((texImage->Width * texImage->TexFormat->TexelBytes + 63) |
| & ~63) * texImage->Height; |
| } |
| else { |
| int w = texImage->Width * texImage->TexFormat->TexelBytes; |
| if (w < 32) |
| w = 32; |
| size = w * texImage->Height * texImage->Depth; |
| } |
| assert(size > 0); |
| |
| if (curOffset & 0x1f) { |
| /* align to 32-byte offset */ |
| curOffset = (curOffset + 0x1f) & ~0x1f; |
| } |
| |
| t->image[0][i].x = curOffset % BLIT_WIDTH_BYTES; |
| t->image[0][i].y = curOffset / BLIT_WIDTH_BYTES; |
| t->image[0][i].width = MIN2(size, BLIT_WIDTH_BYTES); |
| t->image[0][i].height = size / t->image[0][i].width; |
| |
| #if 0 |
| /* for debugging only and only applicable to non-rectangle targets */ |
| assert(size % t->image[0][i].width == 0); |
| assert(t->image[0][i].x == 0 |
| || (size < BLIT_WIDTH_BYTES && t->image[0][i].height == 1)); |
| #endif |
| |
| if (0) |
| fprintf(stderr, |
| "level %d: %dx%d x=%d y=%d w=%d h=%d size=%d at %d\n", |
| i, texImage->Width, texImage->Height, |
| t->image[0][i].x, t->image[0][i].y, |
| t->image[0][i].width, t->image[0][i].height, size, curOffset); |
| |
| curOffset += size; |
| |
| } |
| |
| /* Align the total size of texture memory block. |
| */ |
| t->base.totalSize = (curOffset + RADEON_OFFSET_MASK) & ~RADEON_OFFSET_MASK; |
| |
| /* Setup remaining cube face blits, if needed */ |
| if (tObj->Target == GL_TEXTURE_CUBE_MAP) { |
| /* Round totalSize up to multiple of BLIT_WIDTH_BYTES */ |
| const GLuint faceSize = (t->base.totalSize + BLIT_WIDTH_BYTES - 1) |
| & ~(BLIT_WIDTH_BYTES-1); |
| const GLuint lines = faceSize / BLIT_WIDTH_BYTES; |
| GLuint face; |
| /* reuse face 0 x/y/width/height - just adjust y */ |
| for (face = 1; face < 6; face++) { |
| for (i = 0; i < numLevels; i++) { |
| t->image[face][i].x = t->image[0][i].x; |
| t->image[face][i].y = t->image[0][i].y + face * lines; |
| t->image[face][i].width = t->image[0][i].width; |
| t->image[face][i].height = t->image[0][i].height; |
| } |
| } |
| t->base.totalSize = 6 * faceSize; /* total texmem needed */ |
| } |
| |
| |
| /* Hardware state: |
| */ |
| t->pp_txfilter &= ~R200_MAX_MIP_LEVEL_MASK; |
| t->pp_txfilter |= (numLevels - 1) << R200_MAX_MIP_LEVEL_SHIFT; |
| |
| t->pp_txformat &= ~(R200_TXFORMAT_WIDTH_MASK | |
| R200_TXFORMAT_HEIGHT_MASK | |
| R200_TXFORMAT_CUBIC_MAP_ENABLE | |
| R200_TXFORMAT_F5_WIDTH_MASK | |
| R200_TXFORMAT_F5_HEIGHT_MASK); |
| t->pp_txformat |= ((log2Width << R200_TXFORMAT_WIDTH_SHIFT) | |
| (log2Height << R200_TXFORMAT_HEIGHT_SHIFT)); |
| |
| t->pp_txformat_x &= ~(R200_DEPTH_LOG2_MASK | R200_TEXCOORD_MASK); |
| if (tObj->Target == GL_TEXTURE_3D) { |
| t->pp_txformat_x |= (log2Depth << R200_DEPTH_LOG2_SHIFT); |
| t->pp_txformat_x |= R200_TEXCOORD_VOLUME; |
| } |
| else if (tObj->Target == GL_TEXTURE_CUBE_MAP) { |
| ASSERT(log2Width == log2height); |
| t->pp_txformat |= ((log2Width << R200_TXFORMAT_F5_WIDTH_SHIFT) | |
| (log2Height << R200_TXFORMAT_F5_HEIGHT_SHIFT) | |
| (R200_TXFORMAT_CUBIC_MAP_ENABLE)); |
| t->pp_txformat_x |= R200_TEXCOORD_CUBIC_ENV; |
| t->pp_cubic_faces = ((log2Width << R200_FACE_WIDTH_1_SHIFT) | |
| (log2Height << R200_FACE_HEIGHT_1_SHIFT) | |
| (log2Width << R200_FACE_WIDTH_2_SHIFT) | |
| (log2Height << R200_FACE_HEIGHT_2_SHIFT) | |
| (log2Width << R200_FACE_WIDTH_3_SHIFT) | |
| (log2Height << R200_FACE_HEIGHT_3_SHIFT) | |
| (log2Width << R200_FACE_WIDTH_4_SHIFT) | |
| (log2Height << R200_FACE_HEIGHT_4_SHIFT)); |
| } |
| |
| t->pp_txsize = (((tObj->Image[firstLevel]->Width - 1) << 0) | |
| ((tObj->Image[firstLevel]->Height - 1) << 16)); |
| |
| /* Only need to round to nearest 32 for textures, but the blitter |
| * requires 64-byte aligned pitches, and we may/may not need the |
| * blitter. NPOT only! |
| */ |
| if (baseImage->IsCompressed) |
| t->pp_txpitch = (tObj->Image[firstLevel]->Width + 63) & ~(63); |
| else |
| t->pp_txpitch = ((tObj->Image[firstLevel]->Width * baseImage->TexFormat->TexelBytes) + 63) & ~(63); |
| t->pp_txpitch -= 32; |
| |
| t->dirty_state = TEX_ALL; |
| |
| /* FYI: r200UploadTexImages( rmesa, t ) used to be called here */ |
| } |
| |
| |
| |
| /* ================================================================ |
| * Texture combine functions |
| */ |
| |
| #define R200_DISABLE 0 |
| #define R200_REPLACE 1 |
| #define R200_MODULATE 2 |
| #define R200_DECAL 3 |
| #define R200_BLEND 4 |
| #define R200_ADD 5 |
| #define R200_MAX_COMBFUNC 6 |
| |
| static GLuint r200_color_combine[][R200_MAX_COMBFUNC] = |
| { |
| /* Unit 0: |
| */ |
| { |
| /* Disable combiner stage |
| */ |
| (R200_TXC_ARG_A_ZERO | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_ARG_C_DIFFUSE_COLOR | |
| R200_TXC_OP_MADD), |
| |
| /* GL_REPLACE = 0x00802800 |
| */ |
| (R200_TXC_ARG_A_ZERO | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_ARG_C_R0_COLOR | |
| R200_TXC_OP_MADD), |
| |
| /* GL_MODULATE = 0x00800142 |
| */ |
| (R200_TXC_ARG_A_DIFFUSE_COLOR | /* current starts in DIFFUSE */ |
| R200_TXC_ARG_B_R0_COLOR | |
| R200_TXC_ARG_C_ZERO | |
| R200_TXC_OP_MADD), |
| |
| /* GL_DECAL = 0x008c2d42 |
| */ |
| (R200_TXC_ARG_A_DIFFUSE_COLOR | |
| R200_TXC_ARG_B_R0_COLOR | |
| R200_TXC_ARG_C_R0_ALPHA | |
| R200_TXC_OP_LERP), |
| |
| /* GL_BLEND = 0x008c2902 |
| */ |
| (R200_TXC_ARG_A_DIFFUSE_COLOR | |
| R200_TXC_ARG_B_TFACTOR_COLOR | |
| R200_TXC_ARG_C_R0_COLOR | |
| R200_TXC_OP_LERP), |
| |
| /* GL_ADD = 0x00812802 |
| */ |
| (R200_TXC_ARG_A_DIFFUSE_COLOR | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_ARG_C_R0_COLOR | |
| R200_TXC_COMP_ARG_B | |
| R200_TXC_OP_MADD), |
| }, |
| |
| /* Unit 1: |
| */ |
| { |
| /* Disable combiner stage |
| */ |
| (R200_TXC_ARG_A_ZERO | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_ARG_C_R0_COLOR | |
| R200_TXC_OP_MADD), |
| |
| /* GL_REPLACE = 0x00803000 |
| */ |
| (R200_TXC_ARG_A_ZERO | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_ARG_C_R1_COLOR | |
| R200_TXC_OP_MADD), |
| |
| /* GL_MODULATE = 0x00800182 |
| */ |
| (R200_TXC_ARG_A_R0_COLOR | /* current in R0 thereafter */ |
| R200_TXC_ARG_B_R1_COLOR | |
| R200_TXC_ARG_C_ZERO | |
| R200_TXC_OP_MADD), |
| |
| /* GL_DECAL = 0x008c3582 |
| */ |
| (R200_TXC_ARG_A_R0_COLOR | |
| R200_TXC_ARG_B_R1_COLOR | |
| R200_TXC_ARG_C_R1_ALPHA | |
| R200_TXC_OP_LERP), |
| |
| /* GL_BLEND = 0x008c3102 |
| */ |
| (R200_TXC_ARG_A_R0_COLOR | |
| R200_TXC_ARG_B_TFACTOR_COLOR | |
| R200_TXC_ARG_C_R1_COLOR | |
| R200_TXC_OP_LERP), |
| |
| /* GL_ADD = 0x00813002 |
| */ |
| (R200_TXC_ARG_A_R0_COLOR | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_ARG_C_R1_COLOR | |
| R200_TXC_COMP_ARG_B | |
| R200_TXC_OP_MADD), |
| }, |
| |
| /* Unit 2: |
| */ |
| { |
| /* Disable combiner stage |
| */ |
| (R200_TXC_ARG_A_ZERO | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_ARG_C_R0_COLOR | |
| R200_TXC_OP_MADD), |
| |
| /* GL_REPLACE = 0x00803800 |
| */ |
| (R200_TXC_ARG_A_ZERO | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_ARG_C_R2_COLOR | |
| R200_TXC_OP_MADD), |
| |
| /* GL_MODULATE = 0x008001c2 |
| */ |
| (R200_TXC_ARG_A_R0_COLOR | |
| R200_TXC_ARG_B_R2_COLOR | |
| R200_TXC_ARG_C_ZERO | |
| R200_TXC_OP_MADD), |
| |
| /* GL_DECAL = 0x008c3dc2 |
| */ |
| (R200_TXC_ARG_A_R0_COLOR | |
| R200_TXC_ARG_B_R2_COLOR | |
| R200_TXC_ARG_C_R2_ALPHA | |
| R200_TXC_OP_LERP), |
| |
| /* GL_BLEND = 0x008c3902 |
| */ |
| (R200_TXC_ARG_A_R0_COLOR | |
| R200_TXC_ARG_B_TFACTOR_COLOR | |
| R200_TXC_ARG_C_R2_COLOR | |
| R200_TXC_OP_LERP), |
| |
| /* GL_ADD = 0x00813802 |
| */ |
| (R200_TXC_ARG_A_R0_COLOR | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_ARG_C_R2_COLOR | |
| R200_TXC_COMP_ARG_B | |
| R200_TXC_OP_MADD), |
| } |
| }; |
| |
| static GLuint r200_alpha_combine[][R200_MAX_COMBFUNC] = |
| { |
| /* Unit 0: |
| */ |
| { |
| /* Disable combiner stage |
| */ |
| (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_DIFFUSE_ALPHA | |
| R200_TXA_OP_MADD), |
| |
| |
| /* GL_REPLACE = 0x00800500 |
| */ |
| (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R0_ALPHA | |
| R200_TXA_OP_MADD), |
| |
| /* GL_MODULATE = 0x00800051 |
| */ |
| (R200_TXA_ARG_A_DIFFUSE_ALPHA | |
| R200_TXA_ARG_B_R0_ALPHA | |
| R200_TXA_ARG_C_ZERO | |
| R200_TXA_OP_MADD), |
| |
| /* GL_DECAL = 0x00800100 |
| */ |
| (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_DIFFUSE_ALPHA | |
| R200_TXA_OP_MADD), |
| |
| /* GL_BLEND = 0x00800051 |
| */ |
| (R200_TXA_ARG_A_DIFFUSE_ALPHA | |
| R200_TXA_ARG_B_TFACTOR_ALPHA | |
| R200_TXA_ARG_C_R0_ALPHA | |
| R200_TXA_OP_LERP), |
| |
| /* GL_ADD = 0x00800051 |
| */ |
| (R200_TXA_ARG_A_DIFFUSE_ALPHA | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R0_ALPHA | |
| R200_TXA_COMP_ARG_B | |
| R200_TXA_OP_MADD), |
| }, |
| |
| /* Unit 1: |
| */ |
| { |
| /* Disable combiner stage |
| */ |
| (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R0_ALPHA | |
| R200_TXA_OP_MADD), |
| |
| /* GL_REPLACE = 0x00800600 |
| */ |
| (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R1_ALPHA | |
| R200_TXA_OP_MADD), |
| |
| /* GL_MODULATE = 0x00800061 |
| */ |
| (R200_TXA_ARG_A_R0_ALPHA | |
| R200_TXA_ARG_B_R1_ALPHA | |
| R200_TXA_ARG_C_ZERO | |
| R200_TXA_OP_MADD), |
| |
| /* GL_DECAL = 0x00800100 |
| */ |
| (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R0_ALPHA | |
| R200_TXA_OP_MADD), |
| |
| /* GL_BLEND = 0x00800061 |
| */ |
| (R200_TXA_ARG_A_R0_ALPHA | |
| R200_TXA_ARG_B_TFACTOR_ALPHA | |
| R200_TXA_ARG_C_R1_ALPHA | |
| R200_TXA_OP_LERP), |
| |
| /* GL_ADD = 0x00800061 |
| */ |
| (R200_TXA_ARG_A_R0_ALPHA | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R1_ALPHA | |
| R200_TXA_COMP_ARG_B | |
| R200_TXA_OP_MADD), |
| }, |
| |
| /* Unit 2: |
| */ |
| { |
| /* Disable combiner stage |
| */ |
| (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R0_ALPHA | |
| R200_TXA_OP_MADD), |
| |
| /* GL_REPLACE = 0x00800700 |
| */ |
| (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R2_ALPHA | |
| R200_TXA_OP_MADD), |
| |
| /* GL_MODULATE = 0x00800071 |
| */ |
| (R200_TXA_ARG_A_R0_ALPHA | |
| R200_TXA_ARG_B_R2_ALPHA | |
| R200_TXA_ARG_C_ZERO | |
| R200_TXA_OP_MADD), |
| |
| /* GL_DECAL = 0x00800100 |
| */ |
| (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R0_ALPHA | |
| R200_TXA_OP_MADD), |
| |
| /* GL_BLEND = 0x00800071 |
| */ |
| (R200_TXA_ARG_A_R0_ALPHA | |
| R200_TXA_ARG_B_TFACTOR_ALPHA | |
| R200_TXA_ARG_C_R2_ALPHA | |
| R200_TXA_OP_LERP), |
| |
| /* GL_ADD = 0x00800021 |
| */ |
| (R200_TXA_ARG_A_R0_ALPHA | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_ARG_C_R2_ALPHA | |
| R200_TXA_COMP_ARG_B | |
| R200_TXA_OP_MADD), |
| } |
| }; |
| |
| |
| /* GL_ARB_texture_env_combine support |
| */ |
| |
| /* The color tables have combine functions for GL_SRC_COLOR, |
| * GL_ONE_MINUS_SRC_COLOR, GL_SRC_ALPHA and GL_ONE_MINUS_SRC_ALPHA. |
| */ |
| static GLuint r200_register_color[][R200_MAX_TEXTURE_UNITS] = |
| { |
| { |
| R200_TXC_ARG_A_R0_COLOR, |
| R200_TXC_ARG_A_R1_COLOR, |
| R200_TXC_ARG_A_R2_COLOR |
| }, |
| { |
| R200_TXC_ARG_A_R0_COLOR | R200_TXC_COMP_ARG_A, |
| R200_TXC_ARG_A_R1_COLOR | R200_TXC_COMP_ARG_A, |
| R200_TXC_ARG_A_R2_COLOR | R200_TXC_COMP_ARG_A |
| }, |
| { |
| R200_TXC_ARG_A_R0_ALPHA, |
| R200_TXC_ARG_A_R1_ALPHA, |
| R200_TXC_ARG_A_R2_ALPHA |
| }, |
| { |
| R200_TXC_ARG_A_R0_ALPHA | R200_TXC_COMP_ARG_A, |
| R200_TXC_ARG_A_R1_ALPHA | R200_TXC_COMP_ARG_A, |
| R200_TXC_ARG_A_R2_ALPHA | R200_TXC_COMP_ARG_A |
| }, |
| }; |
| |
| static GLuint r200_tfactor_color[] = |
| { |
| R200_TXC_ARG_A_TFACTOR_COLOR, |
| R200_TXC_ARG_A_TFACTOR_COLOR | R200_TXC_COMP_ARG_A, |
| R200_TXC_ARG_A_TFACTOR_ALPHA, |
| R200_TXC_ARG_A_TFACTOR_ALPHA | R200_TXC_COMP_ARG_A |
| }; |
| |
| static GLuint r200_primary_color[] = |
| { |
| R200_TXC_ARG_A_DIFFUSE_COLOR, |
| R200_TXC_ARG_A_DIFFUSE_COLOR | R200_TXC_COMP_ARG_A, |
| R200_TXC_ARG_A_DIFFUSE_ALPHA, |
| R200_TXC_ARG_A_DIFFUSE_ALPHA | R200_TXC_COMP_ARG_A |
| }; |
| |
| /* GL_ZERO table - indices 0-3 |
| * GL_ONE table - indices 1-4 |
| */ |
| static GLuint r200_zero_color[] = |
| { |
| R200_TXC_ARG_A_ZERO, |
| R200_TXC_ARG_A_ZERO | R200_TXC_COMP_ARG_A, |
| R200_TXC_ARG_A_ZERO, |
| R200_TXC_ARG_A_ZERO | R200_TXC_COMP_ARG_A, |
| R200_TXC_ARG_A_ZERO |
| }; |
| |
| /* The alpha tables only have GL_SRC_ALPHA and GL_ONE_MINUS_SRC_ALPHA. |
| */ |
| static GLuint r200_register_alpha[][R200_MAX_TEXTURE_UNITS] = |
| { |
| { |
| R200_TXA_ARG_A_R0_ALPHA, |
| R200_TXA_ARG_A_R1_ALPHA, |
| R200_TXA_ARG_A_R2_ALPHA |
| }, |
| { |
| R200_TXA_ARG_A_R0_ALPHA | R200_TXA_COMP_ARG_A, |
| R200_TXA_ARG_A_R1_ALPHA | R200_TXA_COMP_ARG_A, |
| R200_TXA_ARG_A_R2_ALPHA | R200_TXA_COMP_ARG_A |
| }, |
| }; |
| |
| static GLuint r200_tfactor_alpha[] = |
| { |
| R200_TXA_ARG_A_TFACTOR_ALPHA, |
| R200_TXA_ARG_A_TFACTOR_ALPHA | R200_TXA_COMP_ARG_A |
| }; |
| |
| static GLuint r200_primary_alpha[] = |
| { |
| R200_TXA_ARG_A_DIFFUSE_ALPHA, |
| R200_TXA_ARG_A_DIFFUSE_ALPHA | R200_TXA_COMP_ARG_A |
| }; |
| |
| /* GL_ZERO table - indices 0-1 |
| * GL_ONE table - indices 1-2 |
| */ |
| static GLuint r200_zero_alpha[] = |
| { |
| R200_TXA_ARG_A_ZERO, |
| R200_TXA_ARG_A_ZERO | R200_TXA_COMP_ARG_A, |
| R200_TXA_ARG_A_ZERO, |
| }; |
| |
| |
| /* Extract the arg from slot A, shift it into the correct argument slot |
| * and set the corresponding complement bit. |
| */ |
| #define R200_COLOR_ARG( n, arg ) \ |
| do { \ |
| color_combine |= \ |
| ((color_arg[n] & R200_TXC_ARG_A_MASK) \ |
| << R200_TXC_ARG_##arg##_SHIFT); \ |
| color_combine |= \ |
| ((color_arg[n] >> R200_TXC_COMP_ARG_A_SHIFT) \ |
| << R200_TXC_COMP_ARG_##arg##_SHIFT); \ |
| } while (0) |
| |
| #define R200_ALPHA_ARG( n, arg ) \ |
| do { \ |
| alpha_combine |= \ |
| ((alpha_arg[n] & R200_TXA_ARG_A_MASK) \ |
| << R200_TXA_ARG_##arg##_SHIFT); \ |
| alpha_combine |= \ |
| ((alpha_arg[n] >> R200_TXA_COMP_ARG_A_SHIFT) \ |
| << R200_TXA_COMP_ARG_##arg##_SHIFT); \ |
| } while (0) |
| |
| |
| /* ================================================================ |
| * Texture unit state management |
| */ |
| |
| static GLboolean r200UpdateTextureEnv( GLcontext *ctx, int unit ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| GLuint color_combine, alpha_combine; |
| GLuint color_scale = rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND2]; |
| GLuint alpha_scale = rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND2]; |
| |
| /* texUnit->_Current can be NULL if and only if the texture unit is |
| * not actually enabled. |
| */ |
| assert( (texUnit->_ReallyEnabled == 0) |
| || (texUnit->_Current != NULL) ); |
| |
| if ( R200_DEBUG & DEBUG_TEXTURE ) { |
| fprintf( stderr, "%s( %p, %d )\n", __FUNCTION__, ctx, unit ); |
| } |
| |
| /* Set the texture environment state. Isn't this nice and clean? |
| * The chip will automagically set the texture alpha to 0xff when |
| * the texture format does not include an alpha component. This |
| * reduces the amount of special-casing we have to do, alpha-only |
| * textures being a notable exception. |
| */ |
| if ( !texUnit->_ReallyEnabled ) { |
| /* Don't cache these results. |
| */ |
| rmesa->state.texture.unit[unit].format = 0; |
| rmesa->state.texture.unit[unit].envMode = 0; |
| color_combine = r200_color_combine[unit][R200_DISABLE]; |
| alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; |
| } |
| else { |
| const struct gl_texture_object *tObj = texUnit->_Current; |
| const GLenum format = tObj->Image[tObj->BaseLevel]->Format; |
| GLuint color_arg[3], alpha_arg[3]; |
| GLuint i, numColorArgs = 0, numAlphaArgs = 0; |
| GLuint RGBshift = texUnit->CombineScaleShiftRGB; |
| GLuint Ashift = texUnit->CombineScaleShiftA; |
| |
| switch ( texUnit->EnvMode ) { |
| case GL_REPLACE: |
| switch ( format ) { |
| case GL_RGBA: |
| case GL_LUMINANCE_ALPHA: |
| case GL_INTENSITY: |
| color_combine = r200_color_combine[unit][R200_REPLACE]; |
| alpha_combine = r200_alpha_combine[unit][R200_REPLACE]; |
| break; |
| case GL_ALPHA: |
| color_combine = r200_color_combine[unit][R200_DISABLE]; |
| alpha_combine = r200_alpha_combine[unit][R200_REPLACE]; |
| break; |
| case GL_LUMINANCE: |
| case GL_RGB: |
| case GL_YCBCR_MESA: |
| color_combine = r200_color_combine[unit][R200_REPLACE]; |
| alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; |
| break; |
| case GL_COLOR_INDEX: |
| default: |
| return GL_FALSE; |
| } |
| break; |
| |
| case GL_MODULATE: |
| switch ( format ) { |
| case GL_RGBA: |
| case GL_LUMINANCE_ALPHA: |
| case GL_INTENSITY: |
| color_combine = r200_color_combine[unit][R200_MODULATE]; |
| alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; |
| break; |
| case GL_ALPHA: |
| color_combine = r200_color_combine[unit][R200_DISABLE]; |
| alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; |
| break; |
| case GL_RGB: |
| case GL_LUMINANCE: |
| case GL_YCBCR_MESA: |
| color_combine = r200_color_combine[unit][R200_MODULATE]; |
| alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; |
| break; |
| case GL_COLOR_INDEX: |
| default: |
| return GL_FALSE; |
| } |
| break; |
| |
| case GL_DECAL: |
| switch ( format ) { |
| case GL_RGBA: |
| case GL_RGB: |
| case GL_YCBCR_MESA: |
| color_combine = r200_color_combine[unit][R200_DECAL]; |
| alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; |
| break; |
| case GL_ALPHA: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_ALPHA: |
| case GL_INTENSITY: |
| color_combine = r200_color_combine[unit][R200_DISABLE]; |
| alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; |
| break; |
| case GL_COLOR_INDEX: |
| default: |
| return GL_FALSE; |
| } |
| break; |
| |
| case GL_BLEND: |
| switch ( format ) { |
| case GL_RGBA: |
| case GL_RGB: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_ALPHA: |
| case GL_YCBCR_MESA: |
| color_combine = r200_color_combine[unit][R200_BLEND]; |
| alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; |
| break; |
| case GL_ALPHA: |
| color_combine = r200_color_combine[unit][R200_DISABLE]; |
| alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; |
| break; |
| case GL_INTENSITY: |
| color_combine = r200_color_combine[unit][R200_BLEND]; |
| alpha_combine = r200_alpha_combine[unit][R200_BLEND]; |
| break; |
| case GL_COLOR_INDEX: |
| default: |
| return GL_FALSE; |
| } |
| break; |
| |
| case GL_ADD: |
| switch ( format ) { |
| case GL_RGBA: |
| case GL_RGB: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE_ALPHA: |
| case GL_YCBCR_MESA: |
| color_combine = r200_color_combine[unit][R200_ADD]; |
| alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; |
| break; |
| case GL_ALPHA: |
| color_combine = r200_color_combine[unit][R200_DISABLE]; |
| alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; |
| break; |
| case GL_INTENSITY: |
| color_combine = r200_color_combine[unit][R200_ADD]; |
| alpha_combine = r200_alpha_combine[unit][R200_ADD]; |
| break; |
| case GL_COLOR_INDEX: |
| default: |
| return GL_FALSE; |
| } |
| break; |
| |
| case GL_COMBINE: |
| /* Don't cache these results. |
| */ |
| rmesa->state.texture.unit[unit].format = 0; |
| rmesa->state.texture.unit[unit].envMode = 0; |
| |
| /* Step 0: |
| * Calculate how many arguments we need to process. |
| */ |
| switch ( texUnit->CombineModeRGB ) { |
| case GL_REPLACE: |
| numColorArgs = 1; |
| break; |
| case GL_MODULATE: |
| case GL_ADD: |
| case GL_ADD_SIGNED: |
| case GL_SUBTRACT: |
| case GL_DOT3_RGB: |
| case GL_DOT3_RGBA: |
| case GL_DOT3_RGB_EXT: |
| case GL_DOT3_RGBA_EXT: |
| numColorArgs = 2; |
| break; |
| case GL_INTERPOLATE: |
| case GL_MODULATE_ADD_ATI: |
| case GL_MODULATE_SIGNED_ADD_ATI: |
| case GL_MODULATE_SUBTRACT_ATI: |
| numColorArgs = 3; |
| break; |
| default: |
| return GL_FALSE; |
| } |
| |
| switch ( texUnit->CombineModeA ) { |
| case GL_REPLACE: |
| numAlphaArgs = 1; |
| break; |
| case GL_MODULATE: |
| case GL_ADD: |
| case GL_ADD_SIGNED: |
| case GL_SUBTRACT: |
| numAlphaArgs = 2; |
| break; |
| case GL_INTERPOLATE: |
| case GL_MODULATE_ADD_ATI: |
| case GL_MODULATE_SIGNED_ADD_ATI: |
| case GL_MODULATE_SUBTRACT_ATI: |
| numAlphaArgs = 3; |
| break; |
| default: |
| return GL_FALSE; |
| } |
| |
| /* Step 1: |
| * Extract the color and alpha combine function arguments. |
| */ |
| for ( i = 0 ; i < numColorArgs ; i++ ) { |
| const GLuint op = texUnit->CombineOperandRGB[i] - GL_SRC_COLOR; |
| assert(op >= 0); |
| assert(op <= 3); |
| switch ( texUnit->CombineSourceRGB[i] ) { |
| case GL_TEXTURE: |
| color_arg[i] = r200_register_color[op][unit]; |
| break; |
| case GL_CONSTANT: |
| color_arg[i] = r200_tfactor_color[op]; |
| break; |
| case GL_PRIMARY_COLOR: |
| color_arg[i] = r200_primary_color[op]; |
| break; |
| case GL_PREVIOUS: |
| if (unit == 0) |
| color_arg[i] = r200_primary_color[op]; |
| else |
| color_arg[i] = r200_register_color[op][0]; |
| break; |
| case GL_ZERO: |
| color_arg[i] = r200_zero_color[op]; |
| break; |
| case GL_ONE: |
| color_arg[i] = r200_zero_color[op+1]; |
| break; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| for ( i = 0 ; i < numAlphaArgs ; i++ ) { |
| const GLuint op = texUnit->CombineOperandA[i] - GL_SRC_ALPHA; |
| assert(op >= 0); |
| assert(op <= 1); |
| switch ( texUnit->CombineSourceA[i] ) { |
| case GL_TEXTURE: |
| alpha_arg[i] = r200_register_alpha[op][unit]; |
| break; |
| case GL_CONSTANT: |
| alpha_arg[i] = r200_tfactor_alpha[op]; |
| break; |
| case GL_PRIMARY_COLOR: |
| alpha_arg[i] = r200_primary_alpha[op]; |
| break; |
| case GL_PREVIOUS: |
| if (unit == 0) |
| alpha_arg[i] = r200_primary_alpha[op]; |
| else |
| alpha_arg[i] = r200_register_alpha[op][0]; |
| break; |
| case GL_ZERO: |
| alpha_arg[i] = r200_zero_alpha[op]; |
| break; |
| case GL_ONE: |
| alpha_arg[i] = r200_zero_alpha[op+1]; |
| break; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| /* Step 2: |
| * Build up the color and alpha combine functions. |
| */ |
| switch ( texUnit->CombineModeRGB ) { |
| case GL_REPLACE: |
| color_combine = (R200_TXC_ARG_A_ZERO | |
| R200_TXC_ARG_B_ZERO | |
| R200_TXC_OP_MADD); |
| R200_COLOR_ARG( 0, C ); |
| break; |
| case GL_MODULATE: |
| color_combine = (R200_TXC_ARG_C_ZERO | |
| R200_TXC_OP_MADD); |
| R200_COLOR_ARG( 0, A ); |
| R200_COLOR_ARG( 1, B ); |
| break; |
| case GL_ADD: |
| color_combine = (R200_TXC_ARG_B_ZERO | |
| R200_TXC_COMP_ARG_B | |
| R200_TXC_OP_MADD); |
| R200_COLOR_ARG( 0, A ); |
| R200_COLOR_ARG( 1, C ); |
| break; |
| case GL_ADD_SIGNED: |
| color_combine = (R200_TXC_ARG_B_ZERO | |
| R200_TXC_COMP_ARG_B | |
| R200_TXC_BIAS_ARG_C | /* new */ |
| R200_TXC_OP_MADD); /* was ADDSIGNED */ |
| R200_COLOR_ARG( 0, A ); |
| R200_COLOR_ARG( 1, C ); |
| break; |
| case GL_SUBTRACT: |
| color_combine = (R200_TXC_ARG_B_ZERO | |
| R200_TXC_COMP_ARG_B | |
| R200_TXC_NEG_ARG_C | |
| R200_TXC_OP_MADD); |
| R200_COLOR_ARG( 0, A ); |
| R200_COLOR_ARG( 1, C ); |
| break; |
| case GL_INTERPOLATE: |
| color_combine = (R200_TXC_OP_LERP); |
| R200_COLOR_ARG( 0, B ); |
| R200_COLOR_ARG( 1, A ); |
| R200_COLOR_ARG( 2, C ); |
| break; |
| |
| case GL_DOT3_RGB_EXT: |
| case GL_DOT3_RGBA_EXT: |
| /* The EXT version of the DOT3 extension does not support the |
| * scale factor, but the ARB version (and the version in OpenGL |
| * 1.3) does. |
| */ |
| RGBshift = 0; |
| Ashift = 0; |
| /* FALLTHROUGH */ |
| |
| case GL_DOT3_RGB: |
| case GL_DOT3_RGBA: |
| /* DOT3 works differently on R200 than on R100. On R100, just |
| * setting the DOT3 mode did everything for you. On R200, the |
| * driver has to enable the biasing (the -0.5 in the combine |
| * equation), and it has add the 4x scale factor. The hardware |
| * only supports up to 8x in the post filter, so 2x part of it |
| * happens on the inputs going into the combiner. |
| */ |
| |
| RGBshift++; |
| Ashift = RGBshift; |
| |
| color_combine = (R200_TXC_ARG_C_ZERO | |
| R200_TXC_OP_DOT3 | |
| R200_TXC_BIAS_ARG_A | |
| R200_TXC_BIAS_ARG_B | |
| R200_TXC_SCALE_ARG_A | |
| R200_TXC_SCALE_ARG_B); |
| R200_COLOR_ARG( 0, A ); |
| R200_COLOR_ARG( 1, B ); |
| break; |
| |
| case GL_MODULATE_ADD_ATI: |
| color_combine = (R200_TXC_OP_MADD); |
| R200_COLOR_ARG( 0, A ); |
| R200_COLOR_ARG( 1, C ); |
| R200_COLOR_ARG( 2, B ); |
| break; |
| case GL_MODULATE_SIGNED_ADD_ATI: |
| color_combine = (R200_TXC_BIAS_ARG_C | /* new */ |
| R200_TXC_OP_MADD); /* was ADDSIGNED */ |
| R200_COLOR_ARG( 0, A ); |
| R200_COLOR_ARG( 1, C ); |
| R200_COLOR_ARG( 2, B ); |
| break; |
| case GL_MODULATE_SUBTRACT_ATI: |
| color_combine = (R200_TXC_NEG_ARG_C | |
| R200_TXC_OP_MADD); |
| R200_COLOR_ARG( 0, A ); |
| R200_COLOR_ARG( 1, C ); |
| R200_COLOR_ARG( 2, B ); |
| break; |
| default: |
| return GL_FALSE; |
| } |
| |
| switch ( texUnit->CombineModeA ) { |
| case GL_REPLACE: |
| alpha_combine = (R200_TXA_ARG_A_ZERO | |
| R200_TXA_ARG_B_ZERO | |
| R200_TXA_OP_MADD); |
| R200_ALPHA_ARG( 0, C ); |
| break; |
| case GL_MODULATE: |
| alpha_combine = (R200_TXA_ARG_C_ZERO | |
| R200_TXA_OP_MADD); |
| R200_ALPHA_ARG( 0, A ); |
| R200_ALPHA_ARG( 1, B ); |
| break; |
| case GL_ADD: |
| alpha_combine = (R200_TXA_ARG_B_ZERO | |
| R200_TXA_COMP_ARG_B | |
| R200_TXA_OP_MADD); |
| R200_ALPHA_ARG( 0, A ); |
| R200_ALPHA_ARG( 1, C ); |
| break; |
| case GL_ADD_SIGNED: |
| alpha_combine = (R200_TXA_ARG_B_ZERO | |
| R200_TXA_COMP_ARG_B | |
| R200_TXA_BIAS_ARG_C | /* new */ |
| R200_TXA_OP_MADD); /* was ADDSIGNED */ |
| R200_ALPHA_ARG( 0, A ); |
| R200_ALPHA_ARG( 1, C ); |
| break; |
| case GL_SUBTRACT: |
| alpha_combine = (R200_TXA_ARG_B_ZERO | |
| R200_TXA_COMP_ARG_B | |
| R200_TXA_NEG_ARG_C | |
| R200_TXA_OP_MADD); |
| R200_ALPHA_ARG( 0, A ); |
| R200_ALPHA_ARG( 1, C ); |
| break; |
| case GL_INTERPOLATE: |
| alpha_combine = (R200_TXA_OP_LERP); |
| R200_ALPHA_ARG( 0, B ); |
| R200_ALPHA_ARG( 1, A ); |
| R200_ALPHA_ARG( 2, C ); |
| break; |
| |
| case GL_MODULATE_ADD_ATI: |
| alpha_combine = (R200_TXA_OP_MADD); |
| R200_ALPHA_ARG( 0, A ); |
| R200_ALPHA_ARG( 1, C ); |
| R200_ALPHA_ARG( 2, B ); |
| break; |
| case GL_MODULATE_SIGNED_ADD_ATI: |
| alpha_combine = (R200_TXA_BIAS_ARG_C | /* new */ |
| R200_TXA_OP_MADD); /* was ADDSIGNED */ |
| R200_ALPHA_ARG( 0, A ); |
| R200_ALPHA_ARG( 1, C ); |
| R200_ALPHA_ARG( 2, B ); |
| break; |
| case GL_MODULATE_SUBTRACT_ATI: |
| alpha_combine = (R200_TXA_NEG_ARG_C | |
| R200_TXA_OP_MADD); |
| R200_ALPHA_ARG( 0, A ); |
| R200_ALPHA_ARG( 1, C ); |
| R200_ALPHA_ARG( 2, B ); |
| break; |
| default: |
| return GL_FALSE; |
| } |
| |
| if ( (texUnit->CombineModeRGB == GL_DOT3_RGB_EXT) |
| || (texUnit->CombineModeRGB == GL_DOT3_RGB) ) { |
| alpha_scale |= R200_TXA_DOT_ALPHA; |
| } |
| |
| /* Step 3: |
| * Apply the scale factor. |
| */ |
| color_scale &= ~R200_TXC_SCALE_MASK; |
| alpha_scale &= ~R200_TXA_SCALE_MASK; |
| color_scale |= (RGBshift << R200_TXC_SCALE_SHIFT); |
| alpha_scale |= (Ashift << R200_TXA_SCALE_SHIFT); |
| |
| /* All done! |
| */ |
| break; |
| |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| if ( rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND] != color_combine || |
| rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND] != alpha_combine || |
| rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND2] != color_scale || |
| rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND2] != alpha_scale) { |
| R200_STATECHANGE( rmesa, pix[unit] ); |
| rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND] = color_combine; |
| rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND] = alpha_combine; |
| rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND2] = color_scale; |
| rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND2] = alpha_scale; |
| } |
| |
| return GL_TRUE; |
| } |
| |
| #define TEXOBJ_TXFILTER_MASK (R200_MAX_MIP_LEVEL_MASK | \ |
| R200_MIN_FILTER_MASK | \ |
| R200_MAG_FILTER_MASK | \ |
| R200_MAX_ANISO_MASK | \ |
| R200_YUV_TO_RGB | \ |
| R200_YUV_TEMPERATURE_MASK | \ |
| R200_CLAMP_S_MASK | \ |
| R200_CLAMP_T_MASK | \ |
| R200_BORDER_MODE_D3D ) |
| |
| #define TEXOBJ_TXFORMAT_MASK (R200_TXFORMAT_WIDTH_MASK | \ |
| R200_TXFORMAT_HEIGHT_MASK | \ |
| R200_TXFORMAT_FORMAT_MASK | \ |
| R200_TXFORMAT_F5_WIDTH_MASK | \ |
| R200_TXFORMAT_F5_HEIGHT_MASK | \ |
| R200_TXFORMAT_ALPHA_IN_MAP | \ |
| R200_TXFORMAT_CUBIC_MAP_ENABLE | \ |
| R200_TXFORMAT_NON_POWER2) |
| |
| #define TEXOBJ_TXFORMAT_X_MASK (R200_DEPTH_LOG2_MASK | \ |
| R200_TEXCOORD_MASK | \ |
| R200_VOLUME_FILTER_MASK) |
| |
| |
| static void import_tex_obj_state( r200ContextPtr rmesa, |
| int unit, |
| r200TexObjPtr texobj ) |
| { |
| GLuint *cmd = R200_DB_STATE( tex[unit] ); |
| |
| cmd[TEX_PP_TXFILTER] &= ~TEXOBJ_TXFILTER_MASK; |
| cmd[TEX_PP_TXFILTER] |= texobj->pp_txfilter & TEXOBJ_TXFILTER_MASK; |
| cmd[TEX_PP_TXFORMAT] &= ~TEXOBJ_TXFORMAT_MASK; |
| cmd[TEX_PP_TXFORMAT] |= texobj->pp_txformat & TEXOBJ_TXFORMAT_MASK; |
| cmd[TEX_PP_TXFORMAT_X] &= ~TEXOBJ_TXFORMAT_X_MASK; |
| cmd[TEX_PP_TXFORMAT_X] |= texobj->pp_txformat_x & TEXOBJ_TXFORMAT_X_MASK; |
| cmd[TEX_PP_TXSIZE] = texobj->pp_txsize; /* NPOT only! */ |
| cmd[TEX_PP_TXPITCH] = texobj->pp_txpitch; /* NPOT only! */ |
| cmd[TEX_PP_TXOFFSET] = texobj->pp_txoffset; |
| cmd[TEX_PP_BORDER_COLOR] = texobj->pp_border_color; |
| R200_DB_STATECHANGE( rmesa, &rmesa->hw.tex[unit] ); |
| |
| if (texobj->base.tObj->Target == GL_TEXTURE_CUBE_MAP) { |
| GLuint *cube_cmd = R200_DB_STATE( cube[unit] ); |
| GLuint bytesPerFace = texobj->base.totalSize / 6; |
| ASSERT(texobj->totalSize % 6 == 0); |
| cube_cmd[CUBE_PP_CUBIC_FACES] = texobj->pp_cubic_faces; |
| cube_cmd[CUBE_PP_CUBIC_OFFSET_F1] = texobj->pp_txoffset + 1 * bytesPerFace; |
| cube_cmd[CUBE_PP_CUBIC_OFFSET_F2] = texobj->pp_txoffset + 2 * bytesPerFace; |
| cube_cmd[CUBE_PP_CUBIC_OFFSET_F3] = texobj->pp_txoffset + 3 * bytesPerFace; |
| cube_cmd[CUBE_PP_CUBIC_OFFSET_F4] = texobj->pp_txoffset + 4 * bytesPerFace; |
| cube_cmd[CUBE_PP_CUBIC_OFFSET_F5] = texobj->pp_txoffset + 5 * bytesPerFace; |
| R200_DB_STATECHANGE( rmesa, &rmesa->hw.cube[unit] ); |
| } |
| |
| texobj->dirty_state &= ~(1<<unit); |
| } |
| |
| |
| |
| |
| static void set_texgen_matrix( r200ContextPtr rmesa, |
| GLuint unit, |
| const GLfloat *s_plane, |
| const GLfloat *t_plane, |
| const GLfloat *r_plane ) |
| { |
| static const GLfloat scale_identity[4] = { 1,1,1,1 }; |
| |
| if (!TEST_EQ_4V( s_plane, scale_identity) || |
| !TEST_EQ_4V( t_plane, scale_identity) || |
| !TEST_EQ_4V( r_plane, scale_identity)) { |
| rmesa->TexGenEnabled |= R200_TEXMAT_0_ENABLE<<unit; |
| rmesa->TexGenMatrix[unit].m[0] = s_plane[0]; |
| rmesa->TexGenMatrix[unit].m[4] = s_plane[1]; |
| rmesa->TexGenMatrix[unit].m[8] = s_plane[2]; |
| rmesa->TexGenMatrix[unit].m[12] = s_plane[3]; |
| |
| rmesa->TexGenMatrix[unit].m[1] = t_plane[0]; |
| rmesa->TexGenMatrix[unit].m[5] = t_plane[1]; |
| rmesa->TexGenMatrix[unit].m[9] = t_plane[2]; |
| rmesa->TexGenMatrix[unit].m[13] = t_plane[3]; |
| |
| /* NOTE: r_plane goes in the 4th row, not 3rd! */ |
| rmesa->TexGenMatrix[unit].m[3] = r_plane[0]; |
| rmesa->TexGenMatrix[unit].m[7] = r_plane[1]; |
| rmesa->TexGenMatrix[unit].m[11] = r_plane[2]; |
| rmesa->TexGenMatrix[unit].m[15] = r_plane[3]; |
| |
| rmesa->NewGLState |= _NEW_TEXTURE_MATRIX; |
| } |
| } |
| |
| /* Need this special matrix to get correct reflection map coords */ |
| static void |
| set_texgen_reflection_matrix( r200ContextPtr rmesa, GLuint unit ) |
| { |
| static const GLfloat m[16] = { |
| -1, 0, 0, 0, |
| 0, -1, 0, 0, |
| 0, 0, 0, -1, |
| 0, 0, -1, 0 }; |
| _math_matrix_loadf( &(rmesa->TexGenMatrix[unit]), m); |
| _math_matrix_analyse( &(rmesa->TexGenMatrix[unit]) ); |
| rmesa->TexGenEnabled |= R200_TEXMAT_0_ENABLE<<unit; |
| } |
| |
| /* Need this special matrix to get correct normal map coords */ |
| static void |
| set_texgen_normal_map_matrix( r200ContextPtr rmesa, GLuint unit ) |
| { |
| static const GLfloat m[16] = { |
| 1, 0, 0, 0, |
| 0, 1, 0, 0, |
| 0, 0, 0, 1, |
| 0, 0, 1, 0 }; |
| _math_matrix_loadf( &(rmesa->TexGenMatrix[unit]), m); |
| _math_matrix_analyse( &(rmesa->TexGenMatrix[unit]) ); |
| rmesa->TexGenEnabled |= R200_TEXMAT_0_ENABLE<<unit; |
| } |
| |
| |
| /* Ignoring the Q texcoord for now. |
| * |
| * Returns GL_FALSE if fallback required. |
| */ |
| static GLboolean r200_validate_texgen( GLcontext *ctx, GLuint unit ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| GLuint inputshift = R200_TEXGEN_0_INPUT_SHIFT + unit*4; |
| GLuint tmp = rmesa->TexGenEnabled; |
| |
| rmesa->TexGenCompSel &= ~(R200_OUTPUT_TEX_0 << unit); |
| rmesa->TexGenEnabled &= ~(R200_TEXGEN_TEXMAT_0_ENABLE<<unit); |
| rmesa->TexGenEnabled &= ~(R200_TEXMAT_0_ENABLE<<unit); |
| rmesa->TexGenInputs &= ~(R200_TEXGEN_INPUT_MASK<<inputshift); |
| rmesa->TexGenNeedNormals[unit] = 0; |
| |
| if (0) |
| fprintf(stderr, "%s unit %d\n", __FUNCTION__, unit); |
| |
| if ((texUnit->TexGenEnabled & (S_BIT|T_BIT|R_BIT)) == 0) { |
| /* Disabled, no fallback: |
| */ |
| rmesa->TexGenInputs |= |
| (R200_TEXGEN_INPUT_TEXCOORD_0+unit) << inputshift; |
| return GL_TRUE; |
| } |
| else if (texUnit->TexGenEnabled & Q_BIT) { |
| /* Very easy to do this, in fact would remove a fallback case |
| * elsewhere, but I haven't done it yet... Fallback: |
| */ |
| /*fprintf(stderr, "fallback Q_BIT\n");*/ |
| return GL_FALSE; |
| } |
| else if (texUnit->TexGenEnabled == (S_BIT|T_BIT) && |
| texUnit->GenModeS == texUnit->GenModeT) { |
| /* OK */ |
| rmesa->TexGenEnabled |= R200_TEXGEN_TEXMAT_0_ENABLE << unit; |
| /* continue */ |
| } |
| else if (texUnit->TexGenEnabled == (S_BIT|T_BIT|R_BIT) && |
| texUnit->GenModeS == texUnit->GenModeT && |
| texUnit->GenModeT == texUnit->GenModeR) { |
| /* OK */ |
| rmesa->TexGenEnabled |= R200_TEXGEN_TEXMAT_0_ENABLE << unit; |
| /* continue */ |
| } |
| else { |
| /* Mixed modes, fallback: |
| */ |
| /* fprintf(stderr, "fallback mixed texgen\n"); */ |
| return GL_FALSE; |
| } |
| |
| rmesa->TexGenEnabled |= R200_TEXGEN_TEXMAT_0_ENABLE << unit; |
| |
| switch (texUnit->GenModeS) { |
| case GL_OBJECT_LINEAR: |
| rmesa->TexGenInputs |= R200_TEXGEN_INPUT_OBJ << inputshift; |
| set_texgen_matrix( rmesa, unit, |
| texUnit->ObjectPlaneS, |
| texUnit->ObjectPlaneT, |
| texUnit->ObjectPlaneR); |
| break; |
| |
| case GL_EYE_LINEAR: |
| rmesa->TexGenInputs |= R200_TEXGEN_INPUT_EYE << inputshift; |
| set_texgen_matrix( rmesa, unit, |
| texUnit->EyePlaneS, |
| texUnit->EyePlaneT, |
| texUnit->EyePlaneR); |
| break; |
| |
| case GL_REFLECTION_MAP_NV: |
| rmesa->TexGenNeedNormals[unit] = GL_TRUE; |
| rmesa->TexGenInputs |= R200_TEXGEN_INPUT_EYE_REFLECT<<inputshift; |
| set_texgen_reflection_matrix(rmesa, unit); |
| break; |
| |
| case GL_NORMAL_MAP_NV: |
| rmesa->TexGenNeedNormals[unit] = GL_TRUE; |
| rmesa->TexGenInputs |= R200_TEXGEN_INPUT_EYE_NORMAL<<inputshift; |
| set_texgen_normal_map_matrix(rmesa, unit); |
| break; |
| |
| case GL_SPHERE_MAP: |
| rmesa->TexGenNeedNormals[unit] = GL_TRUE; |
| rmesa->TexGenInputs |= R200_TEXGEN_INPUT_SPHERE<<inputshift; |
| break; |
| |
| default: |
| /* Unsupported mode, fallback: |
| */ |
| /* fprintf(stderr, "fallback unsupported texgen\n"); */ |
| return GL_FALSE; |
| } |
| |
| rmesa->TexGenCompSel |= R200_OUTPUT_TEX_0 << unit; |
| |
| if (tmp != rmesa->TexGenEnabled) { |
| rmesa->NewGLState |= _NEW_TEXTURE_MATRIX; |
| } |
| |
| return GL_TRUE; |
| } |
| |
| |
| static void disable_tex( GLcontext *ctx, int unit ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| |
| if (rmesa->hw.ctx.cmd[CTX_PP_CNTL] & (R200_TEX_0_ENABLE<<unit)) { |
| /* Texture unit disabled */ |
| if ( rmesa->state.texture.unit[unit].texobj != NULL ) { |
| /* The old texture is no longer bound to this texture unit. |
| * Mark it as such. |
| */ |
| |
| rmesa->state.texture.unit[unit].texobj->base.bound &= ~(1UL << unit); |
| rmesa->state.texture.unit[unit].texobj = NULL; |
| } |
| |
| R200_STATECHANGE( rmesa, ctx ); |
| rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~((R200_TEX_0_ENABLE | |
| R200_TEX_BLEND_0_ENABLE) << unit); |
| rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_BLEND_0_ENABLE; |
| |
| R200_STATECHANGE( rmesa, tcl ); |
| rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] &= ~(7 << (unit * 3)); |
| |
| if (rmesa->TclFallback & (R200_TCL_FALLBACK_TEXGEN_0<<unit)) { |
| TCL_FALLBACK( ctx, (R200_TCL_FALLBACK_TEXGEN_0<<unit), GL_FALSE); |
| } |
| |
| /* Actually want to keep all units less than max active texture |
| * enabled, right? Fix this for >2 texunits. |
| */ |
| /* FIXME: What should happen here if r200UpdateTextureEnv fails? */ |
| if (unit == 0) |
| r200UpdateTextureEnv( ctx, unit ); |
| |
| |
| { |
| GLuint inputshift = R200_TEXGEN_0_INPUT_SHIFT + unit*4; |
| GLuint tmp = rmesa->TexGenEnabled; |
| |
| rmesa->TexGenEnabled &= ~(R200_TEXGEN_TEXMAT_0_ENABLE<<unit); |
| rmesa->TexGenEnabled &= ~(R200_TEXMAT_0_ENABLE<<unit); |
| rmesa->TexGenEnabled &= ~(R200_TEXGEN_INPUT_MASK<<inputshift); |
| rmesa->TexGenNeedNormals[unit] = 0; |
| rmesa->TexGenCompSel &= ~(R200_OUTPUT_TEX_0 << unit); |
| rmesa->TexGenInputs &= ~(R200_TEXGEN_INPUT_MASK<<inputshift); |
| |
| if (tmp != rmesa->TexGenEnabled) { |
| rmesa->recheck_texgen[unit] = GL_TRUE; |
| rmesa->NewGLState |= _NEW_TEXTURE_MATRIX; |
| } |
| } |
| } |
| } |
| |
| static GLboolean enable_tex_2d( GLcontext *ctx, int unit ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| struct gl_texture_object *tObj = texUnit->_Current; |
| r200TexObjPtr t = (r200TexObjPtr) tObj->DriverData; |
| |
| /* Need to load the 2d images associated with this unit. |
| */ |
| if (t->pp_txformat & R200_TXFORMAT_NON_POWER2) { |
| t->pp_txformat &= ~R200_TXFORMAT_NON_POWER2; |
| t->base.dirty_images[0] = ~0; |
| } |
| |
| ASSERT(tObj->Target == GL_TEXTURE_2D || tObj->Target == GL_TEXTURE_1D); |
| |
| if ( t->base.dirty_images[0] ) { |
| R200_FIREVERTICES( rmesa ); |
| r200SetTexImages( rmesa, tObj ); |
| r200UploadTexImages( rmesa, (r200TexObjPtr) tObj->DriverData, 0 ); |
| if ( !t->base.memBlock ) |
| return GL_FALSE; |
| } |
| |
| return GL_TRUE; |
| } |
| |
| #if ENABLE_HW_3D_TEXTURE |
| static GLboolean enable_tex_3d( GLcontext *ctx, int unit ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| struct gl_texture_object *tObj = texUnit->_Current; |
| r200TexObjPtr t = (r200TexObjPtr) tObj->DriverData; |
| |
| /* Need to load the 3d images associated with this unit. |
| */ |
| if (t->pp_txformat & R200_TXFORMAT_NON_POWER2) { |
| t->pp_txformat &= ~R200_TXFORMAT_NON_POWER2; |
| t->base.dirty_images[0] = ~0; |
| } |
| |
| ASSERT(tObj->Target == GL_TEXTURE_3D); |
| |
| if ( t->base.dirty_images[0] ) { |
| R200_FIREVERTICES( rmesa ); |
| r200SetTexImages( rmesa, tObj ); |
| r200UploadTexImages( rmesa, (r200TexObjPtr) tObj->DriverData, 0 ); |
| if ( !t->base.memBlock ) |
| return GL_FALSE; |
| } |
| |
| return GL_TRUE; |
| } |
| #endif |
| |
| static GLboolean enable_tex_cube( GLcontext *ctx, int unit ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| struct gl_texture_object *tObj = texUnit->_Current; |
| r200TexObjPtr t = (r200TexObjPtr) tObj->DriverData; |
| GLuint face; |
| |
| /* Need to load the 2d images associated with this unit. |
| */ |
| if (t->pp_txformat & R200_TXFORMAT_NON_POWER2) { |
| t->pp_txformat &= ~R200_TXFORMAT_NON_POWER2; |
| for (face = 0; face < 6; face++) |
| t->base.dirty_images[face] = ~0; |
| } |
| |
| ASSERT(tObj->Target == GL_TEXTURE_CUBE_MAP); |
| |
| if ( t->base.dirty_images[0] || t->base.dirty_images[1] || |
| t->base.dirty_images[2] || t->base.dirty_images[3] || |
| t->base.dirty_images[4] || t->base.dirty_images[5] ) { |
| /* flush */ |
| R200_FIREVERTICES( rmesa ); |
| /* layout memory space, once for all faces */ |
| r200SetTexImages( rmesa, tObj ); |
| } |
| |
| /* upload (per face) */ |
| for (face = 0; face < 6; face++) { |
| if (t->base.dirty_images[face]) { |
| r200UploadTexImages( rmesa, (r200TexObjPtr) tObj->DriverData, face ); |
| } |
| } |
| |
| if ( !t->base.memBlock ) { |
| /* texmem alloc failed, use s/w fallback */ |
| return GL_FALSE; |
| } |
| |
| return GL_TRUE; |
| } |
| |
| static GLboolean enable_tex_rect( GLcontext *ctx, int unit ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| struct gl_texture_object *tObj = texUnit->_Current; |
| r200TexObjPtr t = (r200TexObjPtr) tObj->DriverData; |
| |
| if (!(t->pp_txformat & R200_TXFORMAT_NON_POWER2)) { |
| t->pp_txformat |= R200_TXFORMAT_NON_POWER2; |
| t->base.dirty_images[0] = ~0; |
| } |
| |
| ASSERT(tObj->Target == GL_TEXTURE_RECTANGLE_NV); |
| |
| if ( t->base.dirty_images[0] ) { |
| R200_FIREVERTICES( rmesa ); |
| r200SetTexImages( rmesa, tObj ); |
| r200UploadTexImages( rmesa, (r200TexObjPtr) tObj->DriverData, 0 ); |
| if ( !t->base.memBlock && !rmesa->prefer_agp_client_texturing ) |
| return GL_FALSE; |
| } |
| |
| return GL_TRUE; |
| } |
| |
| |
| static GLboolean update_tex_common( GLcontext *ctx, int unit ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| struct gl_texture_object *tObj = texUnit->_Current; |
| r200TexObjPtr t = (r200TexObjPtr) tObj->DriverData; |
| GLenum format; |
| |
| /* Fallback if there's a texture border */ |
| if ( tObj->Image[tObj->BaseLevel]->Border > 0 ) |
| return GL_FALSE; |
| |
| /* Update state if this is a different texture object to last |
| * time. |
| */ |
| if ( rmesa->state.texture.unit[unit].texobj != t ) { |
| if ( rmesa->state.texture.unit[unit].texobj != NULL ) { |
| /* The old texture is no longer bound to this texture unit. |
| * Mark it as such. |
| */ |
| |
| rmesa->state.texture.unit[unit].texobj->base.bound &= |
| ~(1UL << unit); |
| } |
| |
| rmesa->state.texture.unit[unit].texobj = t; |
| t->base.bound |= (1UL << unit); |
| t->dirty_state |= 1<<unit; |
| driUpdateTextureLRU( (driTextureObject *) t ); /* XXX: should be locked! */ |
| } |
| |
| |
| /* Newly enabled? |
| */ |
| if ( 1|| !(rmesa->hw.ctx.cmd[CTX_PP_CNTL] & (R200_TEX_0_ENABLE<<unit))) { |
| R200_STATECHANGE( rmesa, ctx ); |
| rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= (R200_TEX_0_ENABLE | |
| R200_TEX_BLEND_0_ENABLE) << unit; |
| |
| R200_STATECHANGE( rmesa, vtx ); |
| rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] |= 4 << (unit * 3); |
| |
| rmesa->recheck_texgen[unit] = GL_TRUE; |
| } |
| |
| if (t->dirty_state & (1<<unit)) { |
| import_tex_obj_state( rmesa, unit, t ); |
| } |
| |
| if (rmesa->recheck_texgen[unit]) { |
| GLboolean fallback = !r200_validate_texgen( ctx, unit ); |
| TCL_FALLBACK( ctx, (R200_TCL_FALLBACK_TEXGEN_0<<unit), fallback); |
| rmesa->recheck_texgen[unit] = 0; |
| rmesa->NewGLState |= _NEW_TEXTURE_MATRIX; |
| } |
| |
| format = tObj->Image[tObj->BaseLevel]->Format; |
| if ( rmesa->state.texture.unit[unit].format != format || |
| rmesa->state.texture.unit[unit].envMode != texUnit->EnvMode ) { |
| rmesa->state.texture.unit[unit].format = format; |
| rmesa->state.texture.unit[unit].envMode = texUnit->EnvMode; |
| if ( ! r200UpdateTextureEnv( ctx, unit ) ) { |
| return GL_FALSE; |
| } |
| } |
| |
| FALLBACK( rmesa, R200_FALLBACK_BORDER_MODE, t->border_fallback ); |
| return !t->border_fallback; |
| } |
| |
| |
| |
| static GLboolean r200UpdateTextureUnit( GLcontext *ctx, int unit ) |
| { |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| |
| if ( texUnit->_ReallyEnabled & (TEXTURE_RECT_BIT) ) { |
| return (enable_tex_rect( ctx, unit ) && |
| update_tex_common( ctx, unit )); |
| } |
| else if ( texUnit->_ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT) ) { |
| return (enable_tex_2d( ctx, unit ) && |
| update_tex_common( ctx, unit )); |
| } |
| #if ENABLE_HW_3D_TEXTURE |
| else if ( texUnit->_ReallyEnabled & (TEXTURE_3D_BIT) ) { |
| return (enable_tex_3d( ctx, unit ) && |
| update_tex_common( ctx, unit )); |
| } |
| #endif |
| else if ( texUnit->_ReallyEnabled & (TEXTURE_CUBE_BIT) ) { |
| return (enable_tex_cube( ctx, unit ) && |
| update_tex_common( ctx, unit )); |
| } |
| else if ( texUnit->_ReallyEnabled ) { |
| return GL_FALSE; |
| } |
| else { |
| disable_tex( ctx, unit ); |
| return GL_TRUE; |
| } |
| } |
| |
| |
| void r200UpdateTextureState( GLcontext *ctx ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| GLboolean ok; |
| GLuint dbg; |
| |
| ok = (r200UpdateTextureUnit( ctx, 0 ) && |
| r200UpdateTextureUnit( ctx, 1 )); |
| |
| FALLBACK( rmesa, R200_FALLBACK_TEXTURE, !ok ); |
| |
| if (rmesa->TclFallback) |
| r200ChooseVertexState( ctx ); |
| |
| /* |
| * T0 hang workaround ------------- |
| */ |
| #if 1 |
| if ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_ENABLE_MASK) == R200_TEX_0_ENABLE && |
| (rmesa->hw.tex[0].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK) > R200_MIN_FILTER_LINEAR) { |
| |
| R200_STATECHANGE(rmesa, ctx); |
| R200_STATECHANGE(rmesa, tex[1]); |
| rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_1_ENABLE; |
| rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] &= ~TEXOBJ_TXFORMAT_MASK; |
| rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] |= 0x08000000; |
| } |
| else { |
| if ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_1_ENABLE) && |
| (rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] & 0x08000000)) { |
| R200_STATECHANGE(rmesa, tex[1]); |
| rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] &= ~0x08000000; |
| } |
| } |
| #endif |
| |
| #if 1 |
| /* |
| * Texture cache LRU hang workaround ------------- |
| */ |
| dbg = 0x0; |
| if (((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_0_ENABLE) && |
| ((((rmesa->hw.tex[0].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) & |
| 0x04) == 0))) |
| { |
| dbg |= 0x02; |
| } |
| |
| if (((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_1_ENABLE) && |
| ((((rmesa->hw.tex[1].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) & |
| 0x04) == 0))) |
| { |
| dbg |= 0x04; |
| } |
| |
| if (dbg != rmesa->hw.tam.cmd[TAM_DEBUG3]) { |
| R200_STATECHANGE( rmesa, tam ); |
| rmesa->hw.tam.cmd[TAM_DEBUG3] = dbg; |
| if (0) printf("TEXCACHE LRU HANG WORKAROUND %x\n", dbg); |
| } |
| #endif |
| } |
| |
| /* |
| also tests for higher texunits: |
| |
| ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_2_ENABLE) && |
| ((((rmesa->hw.tex[2].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) & 0x04) == 0)) || |
| ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_4_ENABLE) && |
| ((((rmesa->hw.tex[4].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) & 0x04) == 0))) |
| |
| ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_3_ENABLE) && |
| ((((rmesa->hw.tex[3].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) & 0x04) == 0)) || |
| ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_5_ENABLE) && |
| ((((rmesa->hw.tex[5].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) & 0x04) == 0))) |
| |
| */ |