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Merge branch 'outputswritten64'

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Add a GLbitfield64 type and several macros to operate on 64-bit
fields.  The OutputsWritten field of gl_program is changed to use that
type.  This results in a fair amount of fallout in drivers that use
programs.

No changes are strictly necessary at this point as all bits used are
below the 32-bit boundary.  Fairly soon several bits will be added for
clip distances written by a vertex shader.  This will cause several
bits used for varyings to be pushed above the 32-bit boundary.  This
will affect any drivers that support GLSL.

At this point, only the i965 driver has been modified to support this
eventuality.

I did this as a "squash" merge.  There were several places through the
outputswritten64 branch where things were broken.  I foresee this
causing difficulties later for bisecting.  The history is still
available in the branch.

Conflicts:
	src/mesa/drivers/dri/i965/brw_wm.h
This commit is contained in:
Ian Romanick
2009-11-17 16:10:24 -08:00
parent b43887cf7e
commit 5606dfb572
33 changed files with 111 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/mesa/swrast/s_fragprog.c
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@@ -190,7 +190,7 @@ run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
const struct gl_fragment_program *program = ctx->FragmentProgram._Current;
const GLbitfield outputsWritten = program->Base.OutputsWritten;
const GLbitfield64 outputsWritten = program->Base.OutputsWritten;
struct gl_program_machine *machine = &swrast->FragProgMachine;
GLuint i;
@@ -201,7 +201,7 @@ run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end)
if (_mesa_execute_program(ctx, &program->Base, machine)) {
/* Store result color */
if (outputsWritten & (1 << FRAG_RESULT_COLOR)) {
if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_COLOR)) {
COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0][i],
machine->Outputs[FRAG_RESULT_COLOR]);
}
@@ -212,7 +212,7 @@ run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end)
*/
GLuint buf;
for (buf = 0; buf < ctx->DrawBuffer->_NumColorDrawBuffers; buf++) {
if (outputsWritten & (1 << (FRAG_RESULT_DATA0 + buf))) {
if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DATA0 + buf)) {
COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0 + buf][i],
machine->Outputs[FRAG_RESULT_DATA0 + buf]);
}
@@ -220,7 +220,7 @@ run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end)
}
/* Store result depth/z */
if (outputsWritten & (1 << FRAG_RESULT_DEPTH)) {
if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
const GLfloat depth = machine->Outputs[FRAG_RESULT_DEPTH][2];
if (depth <= 0.0)
span->array->z[i] = 0;
@@ -256,12 +256,12 @@ _swrast_exec_fragment_program( GLcontext *ctx, SWspan *span )
run_program(ctx, span, 0, span->end);
if (program->Base.OutputsWritten & (1 << FRAG_RESULT_COLOR)) {
if (program->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_COLOR)) {
span->interpMask &= ~SPAN_RGBA;
span->arrayMask |= SPAN_RGBA;
}
if (program->Base.OutputsWritten & (1 << FRAG_RESULT_DEPTH)) {
if (program->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
span->interpMask &= ~SPAN_Z;
span->arrayMask |= SPAN_Z;
}