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authorBrian <brian.paul@tungstengraphics.com>2007-11-16 17:12:22 -0700
committerBrian <brian.paul@tungstengraphics.com>2007-11-16 17:12:22 -0700
commit6a1154bab0d296b60f889bdc13254568f4051104 (patch)
tree25d717b7aab7a7910d9d5ed000b3e4851c3fedf8 /src
parent95f066fc54ed351a93350b99b584987b88524e71 (diff)
adjustments so st_feedback_draw_vbo() can be used for glRasterPos
Diffstat (limited to 'src')
-rw-r--r--src/mesa/state_tracker/st_draw.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 3e2ed6cada..3b6d829145 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -318,7 +318,7 @@ st_draw_vertices(GLcontext *ctx, unsigned prim,
/**
* Set the (private) draw module's post-transformed vertex format when in
- * GL_SELECT or GL_FEEDBACK mode.
+ * GL_SELECT or GL_FEEDBACK mode or for glRasterPos.
*/
static void
set_feedback_vertex_format(GLcontext *ctx)
@@ -328,7 +328,14 @@ set_feedback_vertex_format(GLcontext *ctx)
enum interp_mode interp[PIPE_MAX_SHADER_OUTPUTS];
GLuint n, i;
- if (ctx->RenderMode == GL_FEEDBACK) {
+ if (ctx->RenderMode == GL_SELECT) {
+ assert(ctx->RenderMode == GL_SELECT);
+ n = 1;
+ attrs[0] = FORMAT_4F;
+ interp[0] = INTERP_NONE;
+ }
+ else {
+ /* GL_FEEDBACK, or glRasterPos */
/* emit all attribs (pos, color, texcoord) as GLfloat[4] */
n = st->state.vs->state.num_outputs;
for (i = 0; i < n; i++) {
@@ -336,19 +343,14 @@ set_feedback_vertex_format(GLcontext *ctx)
interp[i] = INTERP_NONE;
}
}
- else {
- assert(ctx->RenderMode == GL_SELECT);
- n = 1;
- attrs[0] = FORMAT_4F;
- interp[0] = INTERP_NONE;
- }
draw_set_vertex_attributes(st->draw, attrs, interp, n);
}
/**
- * Called by VBO to draw arrays when in selection or feedback mode.
+ * Called by VBO to draw arrays when in selection or feedback mode and
+ * to implement glRasterPos.
* This is very much like the normal draw_vbo() function above.
* Look at code refactoring some day.
* Might move this into the failover module some day.
@@ -373,8 +375,6 @@ st_feedback_draw_vbo(GLcontext *ctx,
GLuint attr, i;
ubyte *mapped_constants;
- assert(ctx->RenderMode == GL_SELECT ||
- ctx->RenderMode == GL_FEEDBACK);
assert(draw);
st_validate_state(ctx->st);