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gallium: State tracker cleanups wrt clears.

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This commit is contained in:
Keith Whitwell
2008-02-28 09:07:03 +00:00
committed by Michel Dänzer
parent 2573f0e5d6
commit 10d83df3a9
1 changed files with 16 additions and 24 deletions
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40
src/mesa/state_tracker/st_cb_clear.c
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@@ -502,37 +502,30 @@ check_clear_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
static void
clear_color_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
if (!check_clear_color_with_quad( ctx, rb ))
{
if (check_clear_color_with_quad( ctx, rb )) {
/* masking or scissoring */
clear_with_quad(ctx, GL_TRUE, GL_FALSE, GL_FALSE);
}
else {
struct st_renderbuffer *strb = st_renderbuffer(rb);
/* clear whole buffer w/out masking */
GLuint clearValue
= color_value(strb->surface->format, ctx->Color.ClearColor);
uint clearValue = color_value(strb->surface->format, ctx->Color.ClearColor);
ctx->st->pipe->clear(ctx->st->pipe, strb->surface, clearValue);
}
else {
/* masking or scissoring */
clear_with_quad(ctx, GL_TRUE, GL_FALSE, GL_FALSE);
}
}
static void
clear_depth_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
struct st_renderbuffer *strb = st_renderbuffer(rb);
/*
const GLboolean isDS = is_depth_stencil_format(strb->surface->format);
*/
assert(strb->surface->format);
if (check_clear_depth_with_quad(ctx, rb)) {
/* scissoring or we have a combined depth/stencil buffer */
clear_with_quad(ctx, GL_FALSE, GL_TRUE, GL_FALSE);
}
else {
struct st_renderbuffer *strb = st_renderbuffer(rb);
/* simple clear of whole buffer */
uint clearValue = depth_value(strb->surface->format, ctx->Depth.Clear);
ctx->st->pipe->clear(ctx->st->pipe, strb->surface, clearValue);
@@ -543,13 +536,13 @@ clear_depth_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
static void
clear_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
struct st_renderbuffer *strb = st_renderbuffer(rb);
if (check_clear_stencil_with_quad(ctx, rb)) {
/* masking or scissoring or combined depth/stencil buffer */
clear_with_quad(ctx, GL_FALSE, GL_FALSE, GL_TRUE);
}
else {
struct st_renderbuffer *strb = st_renderbuffer(rb);
/* simple clear of whole buffer */
GLuint clearValue = ctx->Stencil.Clear;
ctx->st->pipe->clear(ctx->st->pipe, strb->surface, clearValue);
@@ -560,11 +553,14 @@ clear_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
static void
clear_depth_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
struct st_renderbuffer *strb = st_renderbuffer(rb);
assert(is_depth_stencil_format(strb->surface->format));
if (check_clear_depth_stencil_with_quad(ctx, rb)) {
/* masking or scissoring */
clear_with_quad(ctx, GL_FALSE, GL_TRUE, GL_TRUE);
}
else {
struct st_renderbuffer *strb = st_renderbuffer(rb);
/* clear whole buffer w/out masking */
GLuint clearValue = depth_value(strb->surface->format, ctx->Depth.Clear);
@@ -581,10 +577,6 @@ clear_depth_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
ctx->st->pipe->clear(ctx->st->pipe, strb->surface, clearValue);
}
else {
/* masking or scissoring */
clear_with_quad(ctx, GL_FALSE, GL_TRUE, GL_TRUE);
}
}