#include "glheader.h"
#include "imports.h"
-#include "shader/program.h"
-#include "shader/prog_parameter.h"
-#include "shader/prog_cache.h"
-#include "shader/prog_instruction.h"
-#include "shader/prog_print.h"
-#include "shader/prog_statevars.h"
-#include "shader/programopt.h"
+#include "program/program.h"
+#include "program/prog_parameter.h"
+#include "program/prog_cache.h"
+#include "program/prog_instruction.h"
+#include "program/prog_print.h"
+#include "program/prog_statevars.h"
+#include "program/programopt.h"
#include "texenvprogram.h"
};
static GLboolean
-texenv_doing_secondary_color(GLcontext *ctx)
+texenv_doing_secondary_color(struct gl_context *ctx)
{
if (ctx->Light.Enabled &&
(ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR))
GLuint fog_enabled:1;
GLuint fog_mode:2; /**< FOG_x */
GLuint inputs_available:12;
+ GLuint num_draw_buffers:4;
/* NOTE: This array of structs must be last! (see "keySize" below) */
struct {
* has access to. The bitmask is later reduced to just those which
* are actually referenced.
*/
-static GLbitfield get_fp_input_mask( GLcontext *ctx )
+static GLbitfield get_fp_input_mask( struct gl_context *ctx )
{
/* _NEW_PROGRAM */
const GLboolean vertexShader = (ctx->Shader.CurrentProgram &&
* Examine current texture environment state and generate a unique
* key to identify it.
*/
-static GLuint make_state_key( GLcontext *ctx, struct state_key *key )
+static GLuint make_state_key( struct gl_context *ctx, struct state_key *key )
{
GLuint i, j;
GLbitfield inputs_referenced = FRAG_BIT_COL0;
inputs_referenced |= FRAG_BIT_FOGC; /* maybe */
}
+ /* _NEW_BUFFERS */
+ key->num_draw_buffers = ctx->DrawBuffer->_NumColorDrawBuffers;
+
key->inputs_available = (inputs_available & inputs_referenced);
/* compute size of state key, ignoring unused texture units */
}
-static void release_temps(GLcontext *ctx, struct texenv_fragment_program *p )
+static void release_temps(struct gl_context *ctx, struct texenv_fragment_program *p )
{
GLuint max_temp = ctx->Const.FragmentProgram.MaxTemps;
static void program_error( struct texenv_fragment_program *p, const char *msg )
{
- _mesa_problem(NULL, msg);
+ _mesa_problem(NULL, "%s", msg);
p->error = 1;
}
else
alpha_saturate = GL_FALSE;
- /* If this is the very last calculation, emit direct to output reg:
+ /* If this is the very last calculation (and various other conditions
+ * are met), emit directly to the color output register. Otherwise,
+ * emit to a temporary register.
*/
if (key->separate_specular ||
unit != p->last_tex_stage ||
alpha_shift ||
+ key->num_draw_buffers != 1 ||
rgb_shift)
dest = get_temp( p );
else
* current texture env/combine mode.
*/
static void
-create_new_program(GLcontext *ctx, struct state_key *key,
+create_new_program(struct gl_context *ctx, struct state_key *key,
struct gl_fragment_program *program)
{
struct prog_instruction instBuffer[MAX_INSTRUCTIONS];
struct texenv_fragment_program p;
GLuint unit;
struct ureg cf, out;
+ int i;
memset(&p, 0, sizeof(p));
p.state = key;
p.program->Base.NumAddressRegs = 0;
p.program->Base.Parameters = _mesa_new_parameter_list();
p.program->Base.InputsRead = 0x0;
- p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLOR;
+
+ if (key->num_draw_buffers == 1)
+ p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLOR;
+ else {
+ for (i = 0; i < key->num_draw_buffers; i++)
+ p.program->Base.OutputsWritten |= (1 << (FRAG_RESULT_DATA0 + i));
+ }
for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
p.src_texture[unit] = undef;
}
cf = get_source( &p, SRC_PREVIOUS, 0 );
- out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_COLOR );
- if (key->separate_specular) {
- /* Emit specular add.
- */
- struct ureg s = register_input(&p, FRAG_ATTRIB_COL1);
- emit_arith( &p, OPCODE_ADD, out, WRITEMASK_XYZ, 0, cf, s, undef );
- emit_arith( &p, OPCODE_MOV, out, WRITEMASK_W, 0, cf, undef, undef );
- }
- else if (memcmp(&cf, &out, sizeof(cf)) != 0) {
- /* Will wind up in here if no texture enabled or a couple of
- * other scenarios (GL_REPLACE for instance).
- */
- emit_arith( &p, OPCODE_MOV, out, WRITEMASK_XYZW, 0, cf, undef, undef );
- }
+ for (i = 0; i < key->num_draw_buffers; i++) {
+ if (key->num_draw_buffers == 1)
+ out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_COLOR );
+ else {
+ out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_DATA0 + i );
+ }
+ if (key->separate_specular) {
+ /* Emit specular add.
+ */
+ struct ureg s = register_input(&p, FRAG_ATTRIB_COL1);
+ emit_arith( &p, OPCODE_ADD, out, WRITEMASK_XYZ, 0, cf, s, undef );
+ emit_arith( &p, OPCODE_MOV, out, WRITEMASK_W, 0, cf, undef, undef );
+ }
+ else if (memcmp(&cf, &out, sizeof(cf)) != 0) {
+ /* Will wind up in here if no texture enabled or a couple of
+ * other scenarios (GL_REPLACE for instance).
+ */
+ emit_arith( &p, OPCODE_MOV, out, WRITEMASK_XYZW, 0, cf, undef, undef );
+ }
+ }
/* Finish up:
*/
emit_arith( &p, OPCODE_END, undef, WRITEMASK_XYZW, 0, undef, undef, undef);
if (key->fog_enabled) {
- /* Pull fog mode from GLcontext, the value in the state key is
+ /* Pull fog mode from struct gl_context, the value in the state key is
* a reduced value and not what is expected in FogOption
*/
p.program->FogOption = ctx->Fog.Mode;
* fixed-function texture, fog and color-sum operations.
*/
struct gl_fragment_program *
-_mesa_get_fixed_func_fragment_program(GLcontext *ctx)
+_mesa_get_fixed_func_fragment_program(struct gl_context *ctx)
{
struct gl_fragment_program *prog;
struct state_key key;
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