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intel: use swrast code to map/unmap renderbuffers for swrast rendering

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This commit is contained in:
Brian Paul 2012-01-18 17:47:32 -07:00
parent 4baf90353d
commit 89bb19adb0
1 changed files with 2 additions and 79 deletions
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81
src/mesa/drivers/dri/intel/intel_span.c
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@ -110,77 +110,6 @@ intel_offset_S8(uint32_t stride, uint32_t x, uint32_t y)
return u;
}
static void
intel_renderbuffer_map(struct intel_context *intel, struct gl_renderbuffer *rb)
{
struct gl_context *ctx = &intel->ctx;
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
GLubyte *map;
int stride;
if (!irb)
return;
if (irb->Base.Map) {
/* Renderbuffer is already mapped. This usually happens when a single
* buffer is attached to the framebuffer's depth and stencil attachment
* points.
*/
return;
}
ctx->Driver.MapRenderbuffer(ctx, rb, 0, 0, rb->Width, rb->Height,
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT,
&map, &stride);
irb->Base.Map = map;
irb->Base.RowStride = stride;
}
static void
intel_renderbuffer_unmap(struct intel_context *intel,
struct gl_renderbuffer *rb)
{
struct gl_context *ctx = &intel->ctx;
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
if (!irb)
return;
if (!irb->Base.Map) {
/* Renderbuffer is already unmapped. This usually happens when a single
* buffer is attached to the framebuffer's depth and stencil attachment
* points.
*/
return;
}
ctx->Driver.UnmapRenderbuffer(ctx, rb);
irb->Base.Map = NULL;
irb->Base.RowStride = 0;
}
static void
intel_framebuffer_map(struct intel_context *intel, struct gl_framebuffer *fb)
{
int i;
for (i = 0; i < BUFFER_COUNT; i++) {
intel_renderbuffer_map(intel, fb->Attachment[i].Renderbuffer);
}
intel_check_front_buffer_rendering(intel);
}
static void
intel_framebuffer_unmap(struct intel_context *intel, struct gl_framebuffer *fb)
{
int i;
for (i = 0; i < BUFFER_COUNT; i++) {
intel_renderbuffer_unmap(intel, fb->Attachment[i].Renderbuffer);
}
}
/**
* Resolve all buffers that will be mapped by intelSpanRenderStart().
@ -236,10 +165,7 @@ intel_span_map_buffers(struct intel_context *intel)
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT);
}
intel_framebuffer_map(intel, ctx->DrawBuffer);
if (ctx->ReadBuffer != ctx->DrawBuffer) {
intel_framebuffer_map(intel, ctx->ReadBuffer);
}
_swrast_map_renderbuffers(ctx);
}
/**
@ -279,10 +205,7 @@ intelSpanRenderFinish(struct gl_context * ctx)
}
}
intel_framebuffer_unmap(intel, ctx->DrawBuffer);
if (ctx->ReadBuffer != ctx->DrawBuffer) {
intel_framebuffer_unmap(intel, ctx->ReadBuffer);
}
_swrast_unmap_renderbuffers(ctx);
}