diff options
author | Brian Paul <brianp@vmware.com> | 2009-01-26 12:02:25 -0700 |
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committer | Brian Paul <brianp@vmware.com> | 2009-01-26 12:39:28 -0700 |
commit | 4451eb2e7533a41f67ed21d05a8d9ab5efec77e9 (patch) | |
tree | be084f129303ea11ab0958923a98b424421dc85f /src/mesa/drivers/dri/intel/intel_buffers.c | |
parent | 6fcebbe719eab1f8e292c8dcd6c3e898b0f8d261 (diff) |
intel: move glClear-related code into new intel_clear.c file
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_buffers.c')
-rw-r--r-- | src/mesa/drivers/dri/intel/intel_buffers.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffers.c b/src/mesa/drivers/dri/intel/intel_buffers.c index 827cb8a2a7..13555b2e0e 100644 --- a/src/mesa/drivers/dri/intel/intel_buffers.c +++ b/src/mesa/drivers/dri/intel/intel_buffers.c @@ -25,19 +25,14 @@ * **************************************************************************/ -#include "intel_screen.h" #include "intel_context.h" -#include "intel_blit.h" #include "intel_buffers.h" -#include "intel_chipset.h" #include "intel_fbo.h" #include "intel_regions.h" #include "intel_batchbuffer.h" #include "main/framebuffer.h" -#include "swrast/swrast.h" #include "drirenderbuffer.h" -#define FILE_DEBUG_FLAG DEBUG_BLIT /** * XXX move this into a new dri/common/cliprects.c file. @@ -137,222 +132,6 @@ intel_get_cliprects(struct intel_context *intel, } - -/* A true meta version of this would be very simple and additionally - * machine independent. Maybe we'll get there one day. - */ -static void -intelClearWithTris(struct intel_context *intel, GLbitfield mask) -{ - GLcontext *ctx = &intel->ctx; - struct gl_framebuffer *fb = ctx->DrawBuffer; - GLuint buf; - - intel->vtbl.install_meta_state(intel); - - /* Back and stencil cliprects are the same. Try and do both - * buffers at once: - */ - if (mask & (BUFFER_BIT_BACK_LEFT | BUFFER_BIT_STENCIL | BUFFER_BIT_DEPTH)) { - struct intel_region *backRegion = - intel_get_rb_region(fb, BUFFER_BACK_LEFT); - struct intel_region *depthRegion = - intel_get_rb_region(fb, BUFFER_DEPTH); - - intel->vtbl.meta_draw_region(intel, backRegion, depthRegion); - - if (mask & BUFFER_BIT_BACK_LEFT) - intel->vtbl.meta_color_mask(intel, GL_TRUE); - else - intel->vtbl.meta_color_mask(intel, GL_FALSE); - - if (mask & BUFFER_BIT_STENCIL) - intel->vtbl.meta_stencil_replace(intel, - intel->ctx.Stencil.WriteMask[0], - intel->ctx.Stencil.Clear); - else - intel->vtbl.meta_no_stencil_write(intel); - - if (mask & BUFFER_BIT_DEPTH) - intel->vtbl.meta_depth_replace(intel); - else - intel->vtbl.meta_no_depth_write(intel); - - intel->vtbl.meta_draw_quad(intel, - fb->_Xmin, - fb->_Xmax, - fb->_Ymin, - fb->_Ymax, - intel->ctx.Depth.Clear, - intel->ClearColor8888, - 0, 0, 0, 0); /* texcoords */ - - mask &= ~(BUFFER_BIT_BACK_LEFT | BUFFER_BIT_STENCIL | BUFFER_BIT_DEPTH); - } - - /* clear the remaining (color) renderbuffers */ - for (buf = 0; buf < BUFFER_COUNT && mask; buf++) { - const GLuint bufBit = 1 << buf; - if (mask & bufBit) { - struct intel_renderbuffer *irbColor = - intel_renderbuffer(fb->Attachment[buf].Renderbuffer); - - ASSERT(irbColor); - - intel->vtbl.meta_no_depth_write(intel); - intel->vtbl.meta_no_stencil_write(intel); - intel->vtbl.meta_color_mask(intel, GL_TRUE); - intel->vtbl.meta_draw_region(intel, irbColor->region, NULL); - - intel->vtbl.meta_draw_quad(intel, - fb->_Xmin, - fb->_Xmax, - fb->_Ymin, - fb->_Ymax, - 0, intel->ClearColor8888, - 0, 0, 0, 0); /* texcoords */ - - mask &= ~bufBit; - } - } - - intel->vtbl.leave_meta_state(intel); -} - -static const char *buffer_names[] = { - [BUFFER_FRONT_LEFT] = "front", - [BUFFER_BACK_LEFT] = "back", - [BUFFER_FRONT_RIGHT] = "front right", - [BUFFER_BACK_RIGHT] = "back right", - [BUFFER_AUX0] = "aux0", - [BUFFER_AUX1] = "aux1", - [BUFFER_AUX2] = "aux2", - [BUFFER_AUX3] = "aux3", - [BUFFER_DEPTH] = "depth", - [BUFFER_STENCIL] = "stencil", - [BUFFER_ACCUM] = "accum", - [BUFFER_COLOR0] = "color0", - [BUFFER_COLOR1] = "color1", - [BUFFER_COLOR2] = "color2", - [BUFFER_COLOR3] = "color3", - [BUFFER_COLOR4] = "color4", - [BUFFER_COLOR5] = "color5", - [BUFFER_COLOR6] = "color6", - [BUFFER_COLOR7] = "color7", -}; - -/** - * Called by ctx->Driver.Clear. - */ -static void -intelClear(GLcontext *ctx, GLbitfield mask) -{ - struct intel_context *intel = intel_context(ctx); - const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask); - GLbitfield tri_mask = 0; - GLbitfield blit_mask = 0; - GLbitfield swrast_mask = 0; - struct gl_framebuffer *fb = ctx->DrawBuffer; - GLuint i; - - if (0) - fprintf(stderr, "%s\n", __FUNCTION__); - - /* HW color buffers (front, back, aux, generic FBO, etc) */ - if (colorMask == ~0) { - /* clear all R,G,B,A */ - /* XXX FBO: need to check if colorbuffers are software RBOs! */ - blit_mask |= (mask & BUFFER_BITS_COLOR); - } - else { - /* glColorMask in effect */ - tri_mask |= (mask & BUFFER_BITS_COLOR); - } - - /* HW stencil */ - if (mask & BUFFER_BIT_STENCIL) { - const struct intel_region *stencilRegion - = intel_get_rb_region(fb, BUFFER_STENCIL); - if (stencilRegion) { - /* have hw stencil */ - if (IS_965(intel->intelScreen->deviceID) || - (ctx->Stencil.WriteMask[0] & 0xff) != 0xff) { - /* We have to use the 3D engine if we're clearing a partial mask - * of the stencil buffer, or if we're on a 965 which has a tiled - * depth/stencil buffer in a layout we can't blit to. - */ - tri_mask |= BUFFER_BIT_STENCIL; - } - else { - /* clearing all stencil bits, use blitting */ - blit_mask |= BUFFER_BIT_STENCIL; - } - } - } - - /* HW depth */ - if (mask & BUFFER_BIT_DEPTH) { - /* clear depth with whatever method is used for stencil (see above) */ - if (IS_965(intel->intelScreen->deviceID) || - tri_mask & BUFFER_BIT_STENCIL) - tri_mask |= BUFFER_BIT_DEPTH; - else - blit_mask |= BUFFER_BIT_DEPTH; - } - - /* SW fallback clearing */ - swrast_mask = mask & ~tri_mask & ~blit_mask; - - for (i = 0; i < BUFFER_COUNT; i++) { - GLuint bufBit = 1 << i; - if ((blit_mask | tri_mask) & bufBit) { - if (!fb->Attachment[i].Renderbuffer->ClassID) { - blit_mask &= ~bufBit; - tri_mask &= ~bufBit; - swrast_mask |= bufBit; - } - } - } - - if (blit_mask) { - if (INTEL_DEBUG & DEBUG_BLIT) { - DBG("blit clear:"); - for (i = 0; i < BUFFER_COUNT; i++) { - if (blit_mask & (1 << i)) - DBG(" %s", buffer_names[i]); - } - DBG("\n"); - } - intelClearWithBlit(ctx, blit_mask); - } - - if (tri_mask) { - if (INTEL_DEBUG & DEBUG_BLIT) { - DBG("tri clear:"); - for (i = 0; i < BUFFER_COUNT; i++) { - if (tri_mask & (1 << i)) - DBG(" %s", buffer_names[i]); - } - DBG("\n"); - } - intelClearWithTris(intel, tri_mask); - } - - if (swrast_mask) { - if (INTEL_DEBUG & DEBUG_BLIT) { - DBG("swrast clear:"); - for (i = 0; i < BUFFER_COUNT; i++) { - if (swrast_mask & (1 << i)) - DBG(" %s", buffer_names[i]); - } - DBG("\n"); - } - _swrast_Clear(ctx, swrast_mask); - } -} - - - /** * Update the hardware state for drawing into a window or framebuffer object. * @@ -562,7 +341,6 @@ intelReadBuffer(GLcontext * ctx, GLenum mode) void intelInitBufferFuncs(struct dd_function_table *functions) { - functions->Clear = intelClear; functions->DrawBuffer = intelDrawBuffer; functions->ReadBuffer = intelReadBuffer; } |