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intel: use new _mesa_meta_blit_framebuffer() function

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The previous version of framebuffer blit was a quick hack.  The new meta
version works pretty well.
This commit is contained in:
Brian Paul
2009-08-10 13:43:00 -06:00
parent 33a838beb9
commit 8cb389ce35
2 changed files with 7 additions and 69 deletions
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5
src/mesa/drivers/dri/intel/intel_context.c
View File

@@ -38,6 +38,7 @@
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
#include "drivers/common/driverfuncs.h"
#include "drivers/common/meta.h"
#include "i830_dri.h"
@@ -712,6 +713,8 @@ intelInitContext(struct intel_context *intel,
_swrast_allow_pixel_fog(ctx, GL_FALSE);
_swrast_allow_vertex_fog(ctx, GL_TRUE);
_mesa_meta_init(ctx);
intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
intel->hw_stipple = 1;
@@ -815,6 +818,8 @@ intelDestroyContext(__DRIcontextPrivate * driContextPriv)
INTEL_FIREVERTICES(intel);
_mesa_meta_free(&intel->ctx);
meta_destroy_metaops(&intel->meta);
intel->vtbl.destroy(intel);

71
src/mesa/drivers/dri/intel/intel_fbo.c
View File

@@ -35,6 +35,7 @@
#include "main/context.h"
#include "main/texformat.h"
#include "main/texrender.h"
#include "drivers/common/meta.h"
#include "intel_context.h"
#include "intel_buffers.h"
@@ -699,74 +700,6 @@ intel_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
}
/**
* Called from glBlitFramebuffer().
* For now, we're doing an approximation with glCopyPixels().
* XXX we need to bypass all the per-fragment operations, except scissor.
*/
static void
intel_blit_framebuffer(GLcontext *ctx,
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter)
{
const GLfloat xZoomSave = ctx->Pixel.ZoomX;
const GLfloat yZoomSave = ctx->Pixel.ZoomY;
GLsizei width, height;
GLfloat xFlip = 1.0F, yFlip = 1.0F;
if (srcX1 < srcX0) {
GLint tmp = srcX1;
srcX1 = srcX0;
srcX0 = tmp;
xFlip = -1.0F;
}
if (srcY1 < srcY0) {
GLint tmp = srcY1;
srcY1 = srcY0;
srcY0 = tmp;
yFlip = -1.0F;
}
width = srcX1 - srcX0;
height = srcY1 - srcY0;
ctx->Pixel.ZoomX = xFlip * (dstX1 - dstX0) / (srcX1 - srcY0);
ctx->Pixel.ZoomY = yFlip * (dstY1 - dstY0) / (srcY1 - srcY0);
if (ctx->Pixel.ZoomX < 0.0F) {
dstX0 = MAX2(dstX0, dstX1);
}
else {
dstX0 = MIN2(dstX0, dstX1);
}
if (ctx->Pixel.ZoomY < 0.0F) {
dstY0 = MAX2(dstY0, dstY1);
}
else {
dstY0 = MIN2(dstY0, dstY1);
}
if (mask & GL_COLOR_BUFFER_BIT) {
ctx->Driver.CopyPixels(ctx, srcX0, srcY0, width, height,
dstX0, dstY0, GL_COLOR);
}
if (mask & GL_DEPTH_BUFFER_BIT) {
ctx->Driver.CopyPixels(ctx, srcX0, srcY0, width, height,
dstX0, dstY0, GL_DEPTH);
}
if (mask & GL_STENCIL_BUFFER_BIT) {
ctx->Driver.CopyPixels(ctx, srcX0, srcY0, width, height,
dstX0, dstY0, GL_STENCIL);
}
ctx->Pixel.ZoomX = xZoomSave;
ctx->Pixel.ZoomY = yZoomSave;
}
/**
* Do one-time context initializations related to GL_EXT_framebuffer_object.
* Hook in device driver functions.
@@ -782,5 +715,5 @@ intel_fbo_init(struct intel_context *intel)
intel->ctx.Driver.FinishRenderTexture = intel_finish_render_texture;
intel->ctx.Driver.ResizeBuffers = intel_resize_buffers;
intel->ctx.Driver.ValidateFramebuffer = intel_validate_framebuffer;
intel->ctx.Driver.BlitFramebuffer = intel_blit_framebuffer;
intel->ctx.Driver.BlitFramebuffer = _mesa_meta_blit_framebuffer;
}