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path: root/src/mesa/drivers/dri/r300/r300_vertprog.c
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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_vertprog.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_vertprog.c100
1 files changed, 95 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_vertprog.c b/src/mesa/drivers/dri/r300/r300_vertprog.c
index 27ec23975a..69d6b021d5 100644
--- a/src/mesa/drivers/dri/r300/r300_vertprog.c
+++ b/src/mesa/drivers/dri/r300/r300_vertprog.c
@@ -128,6 +128,82 @@ static GLbitfield compute_required_outputs(struct gl_vertex_program * vp, GLbitf
return outputs;
}
+
+static void t_inputs_outputs(struct r300_vertex_program_compiler * c)
+{
+ int i;
+ int cur_reg;
+ GLuint OutputsWritten, InputsRead;
+
+ OutputsWritten = c->Base.Program.OutputsWritten;
+ InputsRead = c->Base.Program.InputsRead;
+
+ cur_reg = -1;
+ for (i = 0; i < VERT_ATTRIB_MAX; i++) {
+ if (InputsRead & (1 << i))
+ c->code->inputs[i] = ++cur_reg;
+ else
+ c->code->inputs[i] = -1;
+ }
+
+ cur_reg = 0;
+ for (i = 0; i < VERT_RESULT_MAX; i++)
+ c->code->outputs[i] = -1;
+
+ assert(OutputsWritten & (1 << VERT_RESULT_HPOS));
+
+ if (OutputsWritten & (1 << VERT_RESULT_HPOS)) {
+ c->code->outputs[VERT_RESULT_HPOS] = cur_reg++;
+ }
+
+ if (OutputsWritten & (1 << VERT_RESULT_PSIZ)) {
+ c->code->outputs[VERT_RESULT_PSIZ] = cur_reg++;
+ }
+
+ /* If we're writing back facing colors we need to send
+ * four colors to make front/back face colors selection work.
+ * If the vertex program doesn't write all 4 colors, lets
+ * pretend it does by skipping output index reg so the colors
+ * get written into appropriate output vectors.
+ */
+ if (OutputsWritten & (1 << VERT_RESULT_COL0)) {
+ c->code->outputs[VERT_RESULT_COL0] = cur_reg++;
+ } else if (OutputsWritten & (1 << VERT_RESULT_BFC0) ||
+ OutputsWritten & (1 << VERT_RESULT_BFC1)) {
+ cur_reg++;
+ }
+
+ if (OutputsWritten & (1 << VERT_RESULT_COL1)) {
+ c->code->outputs[VERT_RESULT_COL1] = cur_reg++;
+ } else if (OutputsWritten & (1 << VERT_RESULT_BFC0) ||
+ OutputsWritten & (1 << VERT_RESULT_BFC1)) {
+ cur_reg++;
+ }
+
+ if (OutputsWritten & (1 << VERT_RESULT_BFC0)) {
+ c->code->outputs[VERT_RESULT_BFC0] = cur_reg++;
+ } else if (OutputsWritten & (1 << VERT_RESULT_BFC1)) {
+ cur_reg++;
+ }
+
+ if (OutputsWritten & (1 << VERT_RESULT_BFC1)) {
+ c->code->outputs[VERT_RESULT_BFC1] = cur_reg++;
+ } else if (OutputsWritten & (1 << VERT_RESULT_BFC0)) {
+ cur_reg++;
+ }
+
+ for (i = VERT_RESULT_TEX0; i <= VERT_RESULT_TEX7; i++) {
+ if (OutputsWritten & (1 << i)) {
+ c->code->outputs[i] = cur_reg++;
+ }
+ }
+
+ if (OutputsWritten & (1 << VERT_RESULT_FOGC)) {
+ c->code->outputs[VERT_RESULT_FOGC] = cur_reg++;
+ }
+}
+
+
static struct r300_vertex_program *build_program(GLcontext *ctx,
struct r300_vertex_program_key *wanted_key,
const struct gl_vertex_program *mesa_vp)
@@ -143,19 +219,33 @@ static struct r300_vertex_program *build_program(GLcontext *ctx,
compiler.Base.Debug = (RADEON_DEBUG & DEBUG_VERTS) ? GL_TRUE : GL_FALSE;
compiler.code = &vp->code;
- compiler.state.FogAttr = vp->key.FogAttr;
- compiler.state.WPosAttr = vp->key.WPosAttr;
compiler.RequiredOutputs = compute_required_outputs(vp->Base, vp->key.FpReads);
- compiler.program = &vp->Base->Base;
+ compiler.SetHwInputOutput = &t_inputs_outputs;
if (compiler.Base.Debug) {
fprintf(stderr, "Initial vertex program:\n");
- _mesa_print_program(compiler.program);
+ _mesa_print_program(&vp->Base->Base);
fflush(stdout);
}
if (mesa_vp->IsPositionInvariant) {
- _mesa_insert_mvp_code(ctx, (struct gl_vertex_program *)compiler.program);
+ _mesa_insert_mvp_code(ctx, vp->Base);
+ }
+
+ rc_mesa_to_rc_program(&compiler.Base, &vp->Base->Base);
+
+ rc_move_output(&compiler.Base, VERT_RESULT_PSIZ, VERT_RESULT_PSIZ, WRITEMASK_X);
+
+ if (vp->key.WPosAttr != FRAG_ATTRIB_MAX) {
+ rc_copy_output(&compiler.Base,
+ VERT_RESULT_HPOS,
+ vp->key.WPosAttr - FRAG_ATTRIB_TEX0 + VERT_RESULT_TEX0);
+ }
+
+ if (vp->key.FogAttr != FRAG_ATTRIB_MAX) {
+ rc_move_output(&compiler.Base,
+ VERT_RESULT_FOGC,
+ vp->key.FogAttr - FRAG_ATTRIB_TEX0 + VERT_RESULT_TEX0, WRITEMASK_X);
}
r3xx_compile_vertex_program(&compiler);