| /************************************************************************** |
| * |
| * Copyright 2013 Advanced Micro Devices, Inc. |
| * All Rights Reserved. |
| * |
| * 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, sub license, 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 NON-INFRINGEMENT. |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: |
| * Christian König <christian.koenig@amd.com> |
| * |
| */ |
| |
| #include <stdbool.h> |
| #include "context.h" |
| #include "glformats.h" |
| #include "hash_table.h" |
| #include "set.h" |
| #include "texobj.h" |
| #include "teximage.h" |
| #include "vdpau.h" |
| |
| #define MAX_TEXTURES 4 |
| |
| struct vdp_surface |
| { |
| GLenum target; |
| struct gl_texture_object *textures[MAX_TEXTURES]; |
| GLenum access, state; |
| GLboolean output; |
| const GLvoid *vdpSurface; |
| }; |
| |
| void GLAPIENTRY |
| _mesa_VDPAUInitNV(const GLvoid *vdpDevice, const GLvoid *getProcAddress) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!vdpDevice) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "vdpDevice"); |
| return; |
| } |
| |
| if (!getProcAddress) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "getProcAddress"); |
| return; |
| } |
| |
| if (ctx->vdpDevice || ctx->vdpGetProcAddress || ctx->vdpSurfaces) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUInitNV"); |
| return; |
| } |
| |
| ctx->vdpDevice = vdpDevice; |
| ctx->vdpGetProcAddress = getProcAddress; |
| ctx->vdpSurfaces = _mesa_set_create(NULL, _mesa_key_pointer_equal); |
| } |
| |
| static void |
| unregister_surface(struct set_entry *entry) |
| { |
| struct vdp_surface *surf = (struct vdp_surface *)entry->key; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (surf->state == GL_SURFACE_MAPPED_NV) { |
| GLintptr surfaces[] = { (GLintptr)surf }; |
| _mesa_VDPAUUnmapSurfacesNV(1, surfaces); |
| } |
| |
| _mesa_set_remove(ctx->vdpSurfaces, entry); |
| FREE(surf); |
| } |
| |
| void GLAPIENTRY |
| _mesa_VDPAUFiniNV(void) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUFiniNV"); |
| return; |
| } |
| |
| _mesa_set_destroy(ctx->vdpSurfaces, unregister_surface); |
| |
| ctx->vdpDevice = 0; |
| ctx->vdpGetProcAddress = 0; |
| ctx->vdpSurfaces = NULL; |
| } |
| |
| static GLintptr |
| register_surface(struct gl_context *ctx, GLboolean isOutput, |
| const GLvoid *vdpSurface, GLenum target, |
| GLsizei numTextureNames, const GLuint *textureNames) |
| { |
| struct vdp_surface *surf; |
| int i; |
| |
| if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAURegisterSurfaceNV"); |
| return (GLintptr)NULL; |
| } |
| |
| if (target != GL_TEXTURE_2D && target != GL_TEXTURE_RECTANGLE) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "VDPAURegisterSurfaceNV"); |
| return (GLintptr)NULL; |
| } |
| |
| if (target == GL_TEXTURE_RECTANGLE && !ctx->Extensions.NV_texture_rectangle) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "VDPAURegisterSurfaceNV"); |
| return (GLintptr)NULL; |
| } |
| |
| surf = CALLOC_STRUCT( vdp_surface ); |
| surf->vdpSurface = vdpSurface; |
| surf->target = target; |
| surf->access = GL_READ_WRITE; |
| surf->state = GL_SURFACE_REGISTERED_NV; |
| surf->output = isOutput; |
| for (i = 0; i < numTextureNames; ++i) { |
| struct gl_texture_object *tex; |
| tex = _mesa_lookup_texture(ctx, textureNames[i]); |
| |
| _mesa_lock_texture(ctx, tex); |
| |
| if (tex->Immutable) { |
| _mesa_unlock_texture(ctx, tex); |
| FREE(surf); |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "VDPAURegisterSurfaceNV(texture is immutable)"); |
| return (GLintptr)NULL; |
| } |
| |
| if (tex->Target == 0) |
| tex->Target = target; |
| else if (tex->Target != target) { |
| _mesa_unlock_texture(ctx, tex); |
| FREE(surf); |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "VDPAURegisterSurfaceNV(target mismatch)"); |
| return (GLintptr)NULL; |
| } |
| |
| /* This will disallow respecifying the storage. */ |
| tex->Immutable = GL_TRUE; |
| _mesa_unlock_texture(ctx, tex); |
| |
| _mesa_reference_texobj(&surf->textures[i], tex); |
| } |
| |
| _mesa_set_add(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf); |
| |
| return (GLintptr)surf; |
| } |
| |
| GLintptr GLAPIENTRY |
| _mesa_VDPAURegisterVideoSurfaceNV(const GLvoid *vdpSurface, GLenum target, |
| GLsizei numTextureNames, |
| const GLuint *textureNames) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (numTextureNames != 4) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "VDPAURegisterVideoSurfaceNV"); |
| return (GLintptr)NULL; |
| } |
| |
| return register_surface(ctx, false, vdpSurface, target, |
| numTextureNames, textureNames); |
| } |
| |
| GLintptr GLAPIENTRY |
| _mesa_VDPAURegisterOutputSurfaceNV(const GLvoid *vdpSurface, GLenum target, |
| GLsizei numTextureNames, |
| const GLuint *textureNames) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (numTextureNames != 1) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "VDPAURegisterVideoSurfaceNV"); |
| return (GLintptr)NULL; |
| } |
| |
| return register_surface(ctx, true, vdpSurface, target, |
| numTextureNames, textureNames); |
| } |
| |
| GLboolean GLAPIENTRY |
| _mesa_VDPAUIsSurfaceNV(GLintptr surface) |
| { |
| struct vdp_surface *surf = (struct vdp_surface *)surface; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUIsSurfaceNV"); |
| return false; |
| } |
| |
| if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void GLAPIENTRY |
| _mesa_VDPAUUnregisterSurfaceNV(GLintptr surface) |
| { |
| struct vdp_surface *surf = (struct vdp_surface *)surface; |
| struct set_entry *entry; |
| int i; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnregisterSurfaceNV"); |
| return; |
| } |
| |
| /* according to the spec it's ok when this is zero */ |
| if (surface == 0) |
| return; |
| |
| entry = _mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf); |
| if (!entry) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUUnregisterSurfaceNV"); |
| return; |
| } |
| |
| for (i = 0; i < MAX_TEXTURES; i++) { |
| if (surf->textures[i]) { |
| surf->textures[i]->Immutable = GL_FALSE; |
| _mesa_reference_texobj(&surf->textures[i], NULL); |
| } |
| } |
| |
| _mesa_set_remove(ctx->vdpSurfaces, entry); |
| FREE(surf); |
| } |
| |
| void GLAPIENTRY |
| _mesa_VDPAUGetSurfaceivNV(GLintptr surface, GLenum pname, GLsizei bufSize, |
| GLsizei *length, GLint *values) |
| { |
| struct vdp_surface *surf = (struct vdp_surface *)surface; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUGetSurfaceivNV"); |
| return; |
| } |
| |
| if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUGetSurfaceivNV"); |
| return; |
| } |
| |
| if (pname != GL_SURFACE_STATE_NV) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "VDPAUGetSurfaceivNV"); |
| return; |
| } |
| |
| if (bufSize < 1) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUGetSurfaceivNV"); |
| return; |
| } |
| |
| values[0] = surf->state; |
| |
| if (length != NULL) |
| *length = 1; |
| } |
| |
| void GLAPIENTRY |
| _mesa_VDPAUSurfaceAccessNV(GLintptr surface, GLenum access) |
| { |
| struct vdp_surface *surf = (struct vdp_surface *)surface; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV"); |
| return; |
| } |
| |
| if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV"); |
| return; |
| } |
| |
| if (access != GL_READ_ONLY && access != GL_WRITE_ONLY && |
| access != GL_READ_WRITE) { |
| |
| _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV"); |
| return; |
| } |
| |
| if (surf->state == GL_SURFACE_MAPPED_NV) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV"); |
| return; |
| } |
| |
| surf->access = access; |
| } |
| |
| void GLAPIENTRY |
| _mesa_VDPAUMapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| int i; |
| |
| if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV"); |
| return; |
| } |
| |
| for (i = 0; i < numSurfaces; ++i) { |
| struct vdp_surface *surf = (struct vdp_surface *)surfaces[i]; |
| |
| if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV"); |
| return; |
| } |
| |
| if (surf->state == GL_SURFACE_MAPPED_NV) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV"); |
| return; |
| } |
| } |
| |
| for (i = 0; i < numSurfaces; ++i) { |
| struct vdp_surface *surf = (struct vdp_surface *)surfaces[i]; |
| unsigned numTextureNames = surf->output ? 1 : 4; |
| unsigned j; |
| |
| for (j = 0; j < numTextureNames; ++j) { |
| struct gl_texture_object *tex = surf->textures[j]; |
| struct gl_texture_image *image; |
| |
| _mesa_lock_texture(ctx, tex); |
| image = _mesa_get_tex_image(ctx, tex, surf->target, 0); |
| if (!image) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "VDPAUMapSurfacesNV"); |
| _mesa_unlock_texture(ctx, tex); |
| return; |
| } |
| |
| ctx->Driver.FreeTextureImageBuffer(ctx, image); |
| |
| ctx->Driver.VDPAUMapSurface(ctx, surf->target, surf->access, |
| surf->output, tex, image, |
| surf->vdpSurface, j); |
| |
| _mesa_unlock_texture(ctx, tex); |
| } |
| surf->state = GL_SURFACE_MAPPED_NV; |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_VDPAUUnmapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| int i; |
| |
| if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV"); |
| return; |
| } |
| |
| for (i = 0; i < numSurfaces; ++i) { |
| struct vdp_surface *surf = (struct vdp_surface *)surfaces[i]; |
| |
| if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV"); |
| return; |
| } |
| |
| if (surf->state != GL_SURFACE_MAPPED_NV) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV"); |
| return; |
| } |
| } |
| |
| for (i = 0; i < numSurfaces; ++i) { |
| struct vdp_surface *surf = (struct vdp_surface *)surfaces[i]; |
| unsigned numTextureNames = surf->output ? 1 : 4; |
| unsigned j; |
| |
| for (j = 0; j < numTextureNames; ++j) { |
| struct gl_texture_object *tex = surf->textures[j]; |
| struct gl_texture_image *image; |
| |
| _mesa_lock_texture(ctx, tex); |
| |
| image = _mesa_select_tex_image(ctx, tex, surf->target, 0); |
| |
| ctx->Driver.VDPAUUnmapSurface(ctx, surf->target, surf->access, |
| surf->output, tex, image, |
| surf->vdpSurface, j); |
| |
| if (image) |
| ctx->Driver.FreeTextureImageBuffer(ctx, image); |
| |
| _mesa_unlock_texture(ctx, tex); |
| } |
| surf->state = GL_SURFACE_REGISTERED_NV; |
| } |
| } |