| /********************************************************** |
| * Copyright 2008-2009 VMware, 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, 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 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 AUTHORS OR COPYRIGHT HOLDERS |
| * 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. |
| * |
| **********************************************************/ |
| |
| #include "util/u_inlines.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_math.h" |
| #include "util/u_format.h" |
| |
| #include "svga_context.h" |
| #include "svga_state.h" |
| #include "svga_cmd.h" |
| #include "svga_debug.h" |
| #include "svga_screen.h" |
| #include "svga_surface.h" |
| #include "svga_resource_texture.h" |
| |
| |
| /* |
| * flush our command buffer after the 8th distinct render target |
| * |
| * This helps improve the surface cache behaviour in the face of the |
| * large number of single-use render targets generated by EXA and the xorg |
| * state tracker. Without this we can reference hundreds of individual |
| * render targets from a command buffer, which leaves little scope for |
| * sharing or reuse of those targets. |
| */ |
| #define MAX_RT_PER_BATCH 8 |
| |
| |
| |
| static enum pipe_error |
| emit_fb_vgpu9(struct svga_context *svga) |
| { |
| struct svga_screen *svgascreen = svga_screen(svga->pipe.screen); |
| const struct pipe_framebuffer_state *curr = &svga->curr.framebuffer; |
| struct pipe_framebuffer_state *hw = &svga->state.hw_clear.framebuffer; |
| boolean reemit = svga->rebind.flags.rendertargets; |
| unsigned i; |
| enum pipe_error ret; |
| |
| assert(!svga_have_vgpu10(svga)); |
| |
| /* |
| * We need to reemit non-null surface bindings, even when they are not |
| * dirty, to ensure that the resources are paged in. |
| */ |
| |
| for (i = 0; i < svgascreen->max_color_buffers; i++) { |
| if ((curr->cbufs[i] != hw->cbufs[i]) || (reemit && hw->cbufs[i])) { |
| if (svga->curr.nr_fbs++ > MAX_RT_PER_BATCH) |
| return PIPE_ERROR_OUT_OF_MEMORY; |
| |
| /* Check to see if we need to propagate the render target surface */ |
| if (hw->cbufs[i] && svga_surface_needs_propagation(hw->cbufs[i])) |
| svga_propagate_surface(svga, hw->cbufs[i], TRUE); |
| |
| ret = SVGA3D_SetRenderTarget(svga->swc, SVGA3D_RT_COLOR0 + i, |
| curr->cbufs[i]); |
| if (ret != PIPE_OK) |
| return ret; |
| |
| pipe_surface_reference(&hw->cbufs[i], curr->cbufs[i]); |
| } |
| |
| /* Set the rendered-to flag */ |
| struct pipe_surface *s = curr->cbufs[i]; |
| if (s) { |
| svga_set_texture_rendered_to(svga_texture(s->texture), |
| s->u.tex.first_layer, s->u.tex.level); |
| } |
| } |
| |
| if ((curr->zsbuf != hw->zsbuf) || (reemit && hw->zsbuf)) { |
| ret = SVGA3D_SetRenderTarget(svga->swc, SVGA3D_RT_DEPTH, curr->zsbuf); |
| if (ret != PIPE_OK) |
| return ret; |
| |
| /* Check to see if we need to propagate the depth stencil surface */ |
| if (hw->zsbuf && svga_surface_needs_propagation(hw->zsbuf)) |
| svga_propagate_surface(svga, hw->zsbuf, TRUE); |
| |
| if (curr->zsbuf && |
| util_format_is_depth_and_stencil(curr->zsbuf->format)) { |
| ret = SVGA3D_SetRenderTarget(svga->swc, SVGA3D_RT_STENCIL, |
| curr->zsbuf); |
| if (ret != PIPE_OK) |
| return ret; |
| } |
| else { |
| ret = SVGA3D_SetRenderTarget(svga->swc, SVGA3D_RT_STENCIL, NULL); |
| if (ret != PIPE_OK) |
| return ret; |
| } |
| |
| pipe_surface_reference(&hw->zsbuf, curr->zsbuf); |
| |
| /* Set the rendered-to flag */ |
| struct pipe_surface *s = curr->zsbuf; |
| if (s) { |
| svga_set_texture_rendered_to(svga_texture(s->texture), |
| s->u.tex.first_layer, s->u.tex.level); |
| } |
| } |
| |
| return PIPE_OK; |
| } |
| |
| |
| /* |
| * Rebind rendertargets. |
| * |
| * Similar to emit_framebuffer, but without any state checking/update. |
| * |
| * Called at the beginning of every new command buffer to ensure that |
| * non-dirty rendertargets are properly paged-in. |
| */ |
| static enum pipe_error |
| svga_reemit_framebuffer_bindings_vgpu9(struct svga_context *svga) |
| { |
| struct svga_screen *svgascreen = svga_screen(svga->pipe.screen); |
| struct pipe_framebuffer_state *hw = &svga->state.hw_clear.framebuffer; |
| unsigned i; |
| enum pipe_error ret; |
| |
| assert(!svga_have_vgpu10(svga)); |
| |
| for (i = 0; i < svgascreen->max_color_buffers; i++) { |
| if (hw->cbufs[i]) { |
| ret = SVGA3D_SetRenderTarget(svga->swc, SVGA3D_RT_COLOR0 + i, |
| hw->cbufs[i]); |
| if (ret != PIPE_OK) { |
| return ret; |
| } |
| } |
| } |
| |
| if (hw->zsbuf) { |
| ret = SVGA3D_SetRenderTarget(svga->swc, SVGA3D_RT_DEPTH, hw->zsbuf); |
| if (ret != PIPE_OK) { |
| return ret; |
| } |
| |
| if (hw->zsbuf && |
| util_format_is_depth_and_stencil(hw->zsbuf->format)) { |
| ret = SVGA3D_SetRenderTarget(svga->swc, SVGA3D_RT_STENCIL, hw->zsbuf); |
| if (ret != PIPE_OK) { |
| return ret; |
| } |
| } |
| else { |
| ret = SVGA3D_SetRenderTarget(svga->swc, SVGA3D_RT_STENCIL, NULL); |
| if (ret != PIPE_OK) { |
| return ret; |
| } |
| } |
| } |
| |
| return PIPE_OK; |
| } |
| |
| |
| |
| static enum pipe_error |
| emit_fb_vgpu10(struct svga_context *svga) |
| { |
| const struct svga_screen *ss = svga_screen(svga->pipe.screen); |
| struct pipe_surface *rtv[SVGA3D_MAX_RENDER_TARGETS]; |
| struct pipe_surface *dsv; |
| struct pipe_framebuffer_state *curr = &svga->curr.framebuffer; |
| struct pipe_framebuffer_state *hw = &svga->state.hw_clear.framebuffer; |
| const unsigned num_color = MAX2(curr->nr_cbufs, hw->nr_cbufs); |
| int last_rtv = -1; |
| unsigned i; |
| enum pipe_error ret = PIPE_OK; |
| |
| assert(svga_have_vgpu10(svga)); |
| |
| /* Reset the has_backed_views flag. |
| * The flag is set in svga_validate_surface_view() if |
| * a backed surface view is used. |
| */ |
| svga->state.hw_draw.has_backed_views = FALSE; |
| |
| /* Setup render targets array. Note that we loop over the max of the |
| * number of previously bound buffers and the new buffers to unbind |
| * any previously bound buffers when the new number of buffers is less |
| * than the old number of buffers. |
| */ |
| for (i = 0; i < num_color; i++) { |
| if (curr->cbufs[i]) { |
| struct pipe_surface *s = curr->cbufs[i]; |
| |
| rtv[i] = svga_validate_surface_view(svga, svga_surface(s)); |
| if (rtv[i] == NULL) { |
| return PIPE_ERROR_OUT_OF_MEMORY; |
| } |
| |
| assert(svga_surface(rtv[i])->view_id != SVGA3D_INVALID_ID); |
| last_rtv = i; |
| |
| /* Set the rendered-to flag */ |
| svga_set_texture_rendered_to(svga_texture(s->texture), |
| s->u.tex.first_layer, s->u.tex.level); |
| } |
| else { |
| rtv[i] = NULL; |
| } |
| } |
| |
| /* Setup depth stencil view */ |
| if (curr->zsbuf) { |
| struct pipe_surface *s = curr->zsbuf; |
| |
| dsv = svga_validate_surface_view(svga, svga_surface(curr->zsbuf)); |
| if (!dsv) { |
| return PIPE_ERROR_OUT_OF_MEMORY; |
| } |
| |
| /* Set the rendered-to flag */ |
| svga_set_texture_rendered_to(svga_texture(s->texture), |
| s->u.tex.first_layer, s->u.tex.level); |
| } |
| else { |
| dsv = NULL; |
| } |
| |
| /* avoid emitting redundant SetRenderTargets command */ |
| if ((num_color != svga->state.hw_clear.num_rendertargets) || |
| (dsv != svga->state.hw_clear.dsv) || |
| memcmp(rtv, svga->state.hw_clear.rtv, num_color * sizeof(rtv[0]))) { |
| |
| ret = SVGA3D_vgpu10_SetRenderTargets(svga->swc, num_color, rtv, dsv); |
| if (ret != PIPE_OK) |
| return ret; |
| |
| /* number of render targets sent to the device, not including trailing |
| * unbound render targets. |
| */ |
| svga->state.hw_clear.num_rendertargets = last_rtv + 1; |
| svga->state.hw_clear.dsv = dsv; |
| memcpy(svga->state.hw_clear.rtv, rtv, num_color * sizeof(rtv[0])); |
| |
| for (i = 0; i < ss->max_color_buffers; i++) { |
| if (hw->cbufs[i] != curr->cbufs[i]) { |
| /* propagate the backed view surface before unbinding it */ |
| if (hw->cbufs[i] && svga_surface(hw->cbufs[i])->backed) { |
| svga_propagate_surface(svga, |
| &svga_surface(hw->cbufs[i])->backed->base, |
| TRUE); |
| } |
| pipe_surface_reference(&hw->cbufs[i], curr->cbufs[i]); |
| } |
| } |
| hw->nr_cbufs = curr->nr_cbufs; |
| |
| if (hw->zsbuf != curr->zsbuf) { |
| /* propagate the backed view surface before unbinding it */ |
| if (hw->zsbuf && svga_surface(hw->zsbuf)->backed) { |
| svga_propagate_surface(svga, &svga_surface(hw->zsbuf)->backed->base, |
| TRUE); |
| } |
| pipe_surface_reference(&hw->zsbuf, curr->zsbuf); |
| } |
| } |
| |
| return ret; |
| } |
| |
| |
| static enum pipe_error |
| emit_framebuffer(struct svga_context *svga, unsigned dirty) |
| { |
| if (svga_have_vgpu10(svga)) { |
| return emit_fb_vgpu10(svga); |
| } |
| else { |
| return emit_fb_vgpu9(svga); |
| } |
| } |
| |
| |
| /* |
| * Rebind rendertargets. |
| * |
| * Similar to emit_framebuffer, but without any state checking/update. |
| * |
| * Called at the beginning of every new command buffer to ensure that |
| * non-dirty rendertargets are properly paged-in. |
| */ |
| enum pipe_error |
| svga_reemit_framebuffer_bindings(struct svga_context *svga) |
| { |
| enum pipe_error ret; |
| |
| assert(svga->rebind.flags.rendertargets); |
| |
| if (svga_have_vgpu10(svga)) { |
| ret = emit_fb_vgpu10(svga); |
| } |
| else { |
| ret = svga_reemit_framebuffer_bindings_vgpu9(svga); |
| } |
| |
| svga->rebind.flags.rendertargets = FALSE; |
| |
| return ret; |
| } |
| |
| |
| /* |
| * Send a private allocation command to page in rendertargets resource. |
| */ |
| enum pipe_error |
| svga_rebind_framebuffer_bindings(struct svga_context *svga) |
| { |
| struct svga_hw_clear_state *hw = &svga->state.hw_clear; |
| unsigned i; |
| enum pipe_error ret; |
| |
| assert(svga_have_vgpu10(svga)); |
| |
| if (!svga->rebind.flags.rendertargets) |
| return PIPE_OK; |
| |
| for (i = 0; i < hw->num_rendertargets; i++) { |
| if (hw->rtv[i]) { |
| ret = svga->swc->resource_rebind(svga->swc, |
| svga_surface(hw->rtv[i])->handle, |
| NULL, |
| SVGA_RELOC_WRITE); |
| if (ret != PIPE_OK) |
| return ret; |
| } |
| } |
| |
| if (hw->dsv) { |
| ret = svga->swc->resource_rebind(svga->swc, |
| svga_surface(hw->dsv)->handle, |
| NULL, |
| SVGA_RELOC_WRITE); |
| if (ret != PIPE_OK) |
| return ret; |
| } |
| |
| svga->rebind.flags.rendertargets = 0; |
| |
| return PIPE_OK; |
| } |
| |
| |
| struct svga_tracked_state svga_hw_framebuffer = |
| { |
| "hw framebuffer state", |
| SVGA_NEW_FRAME_BUFFER, |
| emit_framebuffer |
| }; |
| |
| |
| |
| |
| /*********************************************************************** |
| */ |
| |
| static enum pipe_error |
| emit_viewport( struct svga_context *svga, |
| unsigned dirty ) |
| { |
| const struct pipe_viewport_state *viewport = &svga->curr.viewport; |
| struct svga_prescale prescale; |
| SVGA3dRect rect; |
| /* Not sure if this state is relevant with POSITIONT. Probably |
| * not, but setting to 0,1 avoids some state pingponging. |
| */ |
| float range_min = 0.0; |
| float range_max = 1.0; |
| float flip = -1.0; |
| boolean degenerate = FALSE; |
| boolean invertY = FALSE; |
| enum pipe_error ret; |
| |
| float fb_width = (float) svga->curr.framebuffer.width; |
| float fb_height = (float) svga->curr.framebuffer.height; |
| |
| float fx = viewport->scale[0] * -1.0f + viewport->translate[0]; |
| float fy = flip * viewport->scale[1] * -1.0f + viewport->translate[1]; |
| float fw = viewport->scale[0] * 2.0f; |
| float fh = flip * viewport->scale[1] * 2.0f; |
| boolean emit_vgpu10_viewport = FALSE; |
| |
| memset( &prescale, 0, sizeof(prescale) ); |
| |
| /* Examine gallium viewport transformation and produce a screen |
| * rectangle and possibly vertex shader pre-transformation to |
| * get the same results. |
| */ |
| |
| SVGA_DBG(DEBUG_VIEWPORT, |
| "\ninitial %f,%f %fx%f\n", |
| fx, |
| fy, |
| fw, |
| fh); |
| |
| prescale.scale[0] = 1.0; |
| prescale.scale[1] = 1.0; |
| prescale.scale[2] = 1.0; |
| prescale.scale[3] = 1.0; |
| prescale.translate[0] = 0; |
| prescale.translate[1] = 0; |
| prescale.translate[2] = 0; |
| prescale.translate[3] = 0; |
| |
| /* Enable prescale to adjust vertex positions to match |
| VGPU10 convention only if rasterization is enabled. |
| */ |
| if (svga->curr.rast && svga->curr.rast->templ.rasterizer_discard) { |
| degenerate = TRUE; |
| goto out; |
| } else { |
| prescale.enabled = TRUE; |
| } |
| |
| if (fw < 0) { |
| prescale.scale[0] *= -1.0f; |
| prescale.translate[0] += -fw; |
| fw = -fw; |
| fx = viewport->scale[0] * 1.0f + viewport->translate[0]; |
| } |
| |
| if (fh < 0.0) { |
| if (svga_have_vgpu10(svga)) { |
| /* floating point viewport params below */ |
| prescale.translate[1] = fh + fy * 2.0f; |
| } |
| else { |
| /* integer viewport params below */ |
| prescale.translate[1] = fh - 1.0f + fy * 2.0f; |
| } |
| fh = -fh; |
| fy -= fh; |
| prescale.scale[1] = -1.0f; |
| invertY = TRUE; |
| } |
| |
| if (fx < 0) { |
| prescale.translate[0] += fx; |
| prescale.scale[0] *= fw / (fw + fx); |
| fw += fx; |
| fx = 0.0f; |
| } |
| |
| if (fy < 0) { |
| if (invertY) { |
| prescale.translate[1] -= fy; |
| } |
| else { |
| prescale.translate[1] += fy; |
| } |
| prescale.scale[1] *= fh / (fh + fy); |
| fh += fy; |
| fy = 0.0f; |
| } |
| |
| if (fx + fw > fb_width) { |
| prescale.scale[0] *= fw / (fb_width - fx); |
| prescale.translate[0] -= fx * (fw / (fb_width - fx)); |
| prescale.translate[0] += fx; |
| fw = fb_width - fx; |
| } |
| |
| if (fy + fh > fb_height) { |
| prescale.scale[1] *= fh / (fb_height - fy); |
| if (invertY) { |
| float in = fb_height - fy; /* number of vp pixels inside view */ |
| float out = fy + fh - fb_height; /* number of vp pixels out of view */ |
| prescale.translate[1] += fy * out / in; |
| } |
| else { |
| prescale.translate[1] -= fy * (fh / (fb_height - fy)); |
| prescale.translate[1] += fy; |
| } |
| fh = fb_height - fy; |
| } |
| |
| if (fw < 0 || fh < 0) { |
| fw = fh = fx = fy = 0; |
| degenerate = TRUE; |
| goto out; |
| } |
| |
| /* D3D viewport is integer space. Convert fx,fy,etc. to |
| * integers. |
| * |
| * TODO: adjust pretranslate correct for any subpixel error |
| * introduced converting to integers. |
| */ |
| rect.x = (uint32) fx; |
| rect.y = (uint32) fy; |
| rect.w = (uint32) fw; |
| rect.h = (uint32) fh; |
| |
| SVGA_DBG(DEBUG_VIEWPORT, |
| "viewport error %f,%f %fx%f\n", |
| fabs((float)rect.x - fx), |
| fabs((float)rect.y - fy), |
| fabs((float)rect.w - fw), |
| fabs((float)rect.h - fh)); |
| |
| SVGA_DBG(DEBUG_VIEWPORT, |
| "viewport %d,%d %dx%d\n", |
| rect.x, |
| rect.y, |
| rect.w, |
| rect.h); |
| |
| /* Finally, to get GL rasterization rules, need to tweak the |
| * screen-space coordinates slightly relative to D3D which is |
| * what hardware implements natively. |
| */ |
| if (svga->curr.rast && svga->curr.rast->templ.half_pixel_center) { |
| float adjust_x = 0.0; |
| float adjust_y = 0.0; |
| |
| if (svga_have_vgpu10(svga)) { |
| /* Normally, we don't have to do any sub-pixel coordinate |
| * adjustments for VGPU10. But when we draw wide points with |
| * a GS we need an X adjustment in order to be conformant. |
| */ |
| if (svga->curr.reduced_prim == PIPE_PRIM_POINTS && |
| svga->curr.rast->pointsize > 1.0f) { |
| adjust_x = 0.5; |
| } |
| } |
| else { |
| /* Use (-0.5, -0.5) bias for all prim types. |
| * Regarding line rasterization, this does not seem to satisfy |
| * the Piglit gl-1.0-ortho-pos test but it generally produces |
| * results identical or very similar to VGPU10. |
| */ |
| adjust_x = -0.5; |
| adjust_y = -0.5; |
| } |
| |
| if (invertY) |
| adjust_y = -adjust_y; |
| |
| prescale.translate[0] += adjust_x; |
| prescale.translate[1] += adjust_y; |
| prescale.translate[2] = 0.5; /* D3D clip space */ |
| prescale.scale[2] = 0.5; /* D3D clip space */ |
| } |
| |
| range_min = viewport->scale[2] * -1.0f + viewport->translate[2]; |
| range_max = viewport->scale[2] * 1.0f + viewport->translate[2]; |
| |
| /* D3D (and by implication SVGA) doesn't like dealing with zmax |
| * less than zmin. Detect that case, flip the depth range and |
| * invert our z-scale factor to achieve the same effect. |
| */ |
| if (range_min > range_max) { |
| float range_tmp; |
| range_tmp = range_min; |
| range_min = range_max; |
| range_max = range_tmp; |
| prescale.scale[2] = -prescale.scale[2]; |
| } |
| |
| /* If zmin is less than 0, clamp zmin to 0 and adjust the prescale. |
| * zmin can be set to -1 when viewport->scale[2] is set to 1 and |
| * viewport->translate[2] is set to 0 in the blit code. |
| */ |
| if (range_min < 0.0f) { |
| range_min = -0.5f * viewport->scale[2] + 0.5f + viewport->translate[2]; |
| range_max = 0.5f * viewport->scale[2] + 0.5f + viewport->translate[2]; |
| prescale.scale[2] *= 2.0f; |
| prescale.translate[2] -= 0.5f; |
| } |
| |
| if (prescale.enabled) { |
| float H[2]; |
| float J[2]; |
| int i; |
| |
| SVGA_DBG(DEBUG_VIEWPORT, |
| "prescale %f,%f %fx%f\n", |
| prescale.translate[0], |
| prescale.translate[1], |
| prescale.scale[0], |
| prescale.scale[1]); |
| |
| H[0] = (float)rect.w / 2.0f; |
| H[1] = -(float)rect.h / 2.0f; |
| J[0] = (float)rect.x + (float)rect.w / 2.0f; |
| J[1] = (float)rect.y + (float)rect.h / 2.0f; |
| |
| SVGA_DBG(DEBUG_VIEWPORT, |
| "H %f,%f\n" |
| "J %fx%f\n", |
| H[0], |
| H[1], |
| J[0], |
| J[1]); |
| |
| /* Adjust prescale to take into account the fact that it is |
| * going to be applied prior to the perspective divide and |
| * viewport transformation. |
| * |
| * Vwin = H(Vc/Vc.w) + J |
| * |
| * We want to tweak Vwin with scale and translation from above, |
| * as in: |
| * |
| * Vwin' = S Vwin + T |
| * |
| * But we can only modify the values at Vc. Plugging all the |
| * above together, and rearranging, eventually we get: |
| * |
| * Vwin' = H(Vc'/Vc'.w) + J |
| * where: |
| * Vc' = SVc + KVc.w |
| * K = (T + (S-1)J) / H |
| * |
| * Overwrite prescale.translate with values for K: |
| */ |
| for (i = 0; i < 2; i++) { |
| prescale.translate[i] = ((prescale.translate[i] + |
| (prescale.scale[i] - 1.0f) * J[i]) / H[i]); |
| } |
| |
| SVGA_DBG(DEBUG_VIEWPORT, |
| "clipspace %f,%f %fx%f\n", |
| prescale.translate[0], |
| prescale.translate[1], |
| prescale.scale[0], |
| prescale.scale[1]); |
| } |
| |
| out: |
| if (degenerate) { |
| rect.x = 0; |
| rect.y = 0; |
| rect.w = 1; |
| rect.h = 1; |
| prescale.enabled = FALSE; |
| } |
| |
| if (!svga_rects_equal(&rect, &svga->state.hw_clear.viewport)) { |
| if (svga_have_vgpu10(svga)) { |
| emit_vgpu10_viewport = TRUE; |
| } |
| else { |
| ret = SVGA3D_SetViewport(svga->swc, &rect); |
| if (ret != PIPE_OK) |
| return ret; |
| |
| svga->state.hw_clear.viewport = rect; |
| } |
| } |
| |
| if (svga->state.hw_clear.depthrange.zmin != range_min || |
| svga->state.hw_clear.depthrange.zmax != range_max) |
| { |
| if (svga_have_vgpu10(svga)) { |
| emit_vgpu10_viewport = TRUE; |
| } |
| else { |
| ret = SVGA3D_SetZRange(svga->swc, range_min, range_max ); |
| if (ret != PIPE_OK) |
| return ret; |
| |
| svga->state.hw_clear.depthrange.zmin = range_min; |
| svga->state.hw_clear.depthrange.zmax = range_max; |
| } |
| } |
| |
| if (emit_vgpu10_viewport) { |
| SVGA3dViewport vp; |
| vp.x = (float) rect.x; |
| vp.y = (float) rect.y; |
| vp.width = (float) rect.w; |
| vp.height = (float) rect.h; |
| vp.minDepth = range_min; |
| vp.maxDepth = range_max; |
| ret = SVGA3D_vgpu10_SetViewports(svga->swc, 1, &vp); |
| if (ret != PIPE_OK) |
| return ret; |
| |
| svga->state.hw_clear.viewport = rect; |
| |
| svga->state.hw_clear.depthrange.zmin = range_min; |
| svga->state.hw_clear.depthrange.zmax = range_max; |
| } |
| |
| if (memcmp(&prescale, &svga->state.hw_clear.prescale, sizeof prescale) != 0) { |
| svga->dirty |= SVGA_NEW_PRESCALE; |
| svga->state.hw_clear.prescale = prescale; |
| } |
| |
| return PIPE_OK; |
| } |
| |
| |
| struct svga_tracked_state svga_hw_viewport = |
| { |
| "hw viewport state", |
| ( SVGA_NEW_FRAME_BUFFER | |
| SVGA_NEW_VIEWPORT | |
| SVGA_NEW_RAST | |
| SVGA_NEW_REDUCED_PRIMITIVE ), |
| emit_viewport |
| }; |
| |
| |
| /*********************************************************************** |
| * Scissor state |
| */ |
| static enum pipe_error |
| emit_scissor_rect( struct svga_context *svga, |
| unsigned dirty ) |
| { |
| const struct pipe_scissor_state *scissor = &svga->curr.scissor; |
| |
| if (svga_have_vgpu10(svga)) { |
| SVGASignedRect rect; |
| |
| rect.left = scissor->minx; |
| rect.top = scissor->miny; |
| rect.right = scissor->maxx; |
| rect.bottom = scissor->maxy; |
| |
| return SVGA3D_vgpu10_SetScissorRects(svga->swc, 1, &rect); |
| } |
| else { |
| SVGA3dRect rect; |
| |
| rect.x = scissor->minx; |
| rect.y = scissor->miny; |
| rect.w = scissor->maxx - scissor->minx; /* + 1 ?? */ |
| rect.h = scissor->maxy - scissor->miny; /* + 1 ?? */ |
| |
| return SVGA3D_SetScissorRect(svga->swc, &rect); |
| } |
| } |
| |
| |
| struct svga_tracked_state svga_hw_scissor = |
| { |
| "hw scissor state", |
| SVGA_NEW_SCISSOR, |
| emit_scissor_rect |
| }; |
| |
| |
| /*********************************************************************** |
| * Userclip state |
| */ |
| |
| static enum pipe_error |
| emit_clip_planes( struct svga_context *svga, |
| unsigned dirty ) |
| { |
| unsigned i; |
| enum pipe_error ret; |
| |
| /* TODO: just emit directly from svga_set_clip_state()? |
| */ |
| for (i = 0; i < SVGA3D_MAX_CLIP_PLANES; i++) { |
| /* need to express the plane in D3D-style coordinate space. |
| * GL coords get converted to D3D coords with the matrix: |
| * [ 1 0 0 0 ] |
| * [ 0 -1 0 0 ] |
| * [ 0 0 2 0 ] |
| * [ 0 0 -1 1 ] |
| * Apply that matrix to our plane equation, and invert Y. |
| */ |
| float a = svga->curr.clip.ucp[i][0]; |
| float b = svga->curr.clip.ucp[i][1]; |
| float c = svga->curr.clip.ucp[i][2]; |
| float d = svga->curr.clip.ucp[i][3]; |
| float plane[4]; |
| |
| plane[0] = a; |
| plane[1] = b; |
| plane[2] = 2.0f * c; |
| plane[3] = d - c; |
| |
| if (svga_have_vgpu10(svga)) { |
| //debug_printf("XXX emit DX10 clip plane\n"); |
| ret = PIPE_OK; |
| } |
| else { |
| ret = SVGA3D_SetClipPlane(svga->swc, i, plane); |
| if (ret != PIPE_OK) |
| return ret; |
| } |
| } |
| |
| return PIPE_OK; |
| } |
| |
| |
| struct svga_tracked_state svga_hw_clip_planes = |
| { |
| "hw viewport state", |
| SVGA_NEW_CLIP, |
| emit_clip_planes |
| }; |