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path: root/src/mesa/swrast/s_fragprog.c
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Diffstat (limited to 'src/mesa/swrast/s_fragprog.c')
-rw-r--r--src/mesa/swrast/s_fragprog.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c
index 613a91b0ec..a22d34415d 100644
--- a/src/mesa/swrast/s_fragprog.c
+++ b/src/mesa/swrast/s_fragprog.c
@@ -89,6 +89,8 @@ fetch_texel_lod( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda,
* Fetch a texel with the given partial derivatives to compute a level
* of detail in the mipmap.
* Called via machine->FetchTexelDeriv()
+ * \param lodBias the lod bias which may be specified by a TXB instruction,
+ * otherwise zero.
*/
static void
fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4],
@@ -96,7 +98,8 @@ fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4],
GLfloat lodBias, GLuint unit, GLfloat color[4] )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
- const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
+ const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ const struct gl_texture_object *texObj = texUnit->_Current;
if (texObj) {
const struct gl_texture_image *texImg =
@@ -108,10 +111,12 @@ fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4],
lambda = _swrast_compute_lambda(texdx[0], texdy[0], /* ds/dx, ds/dy */
texdx[1], texdy[1], /* dt/dx, dt/dy */
- texdx[3], texdy[2], /* dq/dx, dq/dy */
+ texdx[3], texdy[3], /* dq/dx, dq/dy */
texW, texH,
texcoord[0], texcoord[1], texcoord[3],
- 1.0F / texcoord[3]) + lodBias;
+ 1.0F / texcoord[3]);
+
+ lambda += lodBias + texUnit->LodBias + texObj->LodBias;
lambda = CLAMP(lambda, texObj->MinLod, texObj->MaxLod);
@@ -185,7 +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;
@@ -196,7 +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]);
}
@@ -207,7 +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]);
}
@@ -215,7 +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;
@@ -251,12 +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;
}