/*
- *
* Copyright (C) 2004 David Airlie All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#include "glheader.h"
-#include "colormac.h"
-#include "context.h"
-#include "atifragshader.h"
-#include "macros.h"
-#include "program.h"
-
-#include "s_atifragshader.h"
+#include "main/glheader.h"
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "main/atifragshader.h"
+#include "swrast/s_atifragshader.h"
+#include "swrast/s_context.h"
/**
* Fetch a texel.
*/
static void
-fetch_texel(GLcontext * ctx, const GLfloat texcoord[4], GLfloat lambda,
+fetch_texel(struct gl_context * ctx, const GLfloat texcoord[4], GLfloat lambda,
GLuint unit, GLfloat color[4])
{
- GLchan rgba[4];
SWcontext *swrast = SWRAST_CONTEXT(ctx);
/* XXX use a float-valued TextureSample routine here!!! */
swrast->TextureSample[unit](ctx, ctx->Texture.Unit[unit]._Current,
1, (const GLfloat(*)[4]) texcoord,
- &lambda, &rgba);
- color[0] = CHAN_TO_FLOAT(rgba[0]);
- color[1] = CHAN_TO_FLOAT(rgba[1]);
- color[2] = CHAN_TO_FLOAT(rgba[2]);
- color[3] = CHAN_TO_FLOAT(rgba[3]);
+ &lambda, (GLfloat (*)[4]) color);
}
static void
break;
case GL_SWIZZLE_STQ_DQ_ATI:
/* make sure q is not 0 to avoid problems later with infinite values (texture lookup)? */
- if (q == 0.0F) q = 0.000000001;
+ if (q == 0.0F)
+ q = 0.000000001F;
values[0] = s / q;
values[1] = t / q;
- values[2] = 1 / q;
+ values[2] = 1.0F / q;
break;
}
values[3] = 0.0;
val[i] = 1 - val[i];
if (mod & GL_BIAS_BIT_ATI)
- val[i] = val[i] - 0.5;
+ val[i] = val[i] - 0.5F;
if (mod & GL_2X_BIT_ATI)
val[i] = 2 * val[i];
val[i] = 8 * val[i];
break;
case GL_HALF_BIT_ATI:
- val[i] = val[i] * 0.5;
+ val[i] = val[i] * 0.5F;
break;
case GL_QUARTER_BIT_ATI:
- val[i] = val[i] * 0.25;
+ val[i] = val[i] * 0.25F;
break;
case GL_EIGHTH_BIT_ATI:
- val[i] = val[i] * 0.125;
+ val[i] = val[i] * 0.125F;
break;
}
if (has_sat) {
- if (val[i] < 0.0)
- val[i] = 0;
- else if (val[i] > 1.0)
- val[i] = 1.0;
+ if (val[i] < 0.0F)
+ val[i] = 0.0F;
+ else if (val[i] > 1.0F)
+ val[i] = 1.0F;
}
else {
- if (val[i] < -8.0)
- val[i] = -8.0;
- else if (val[i] > 8.0)
- val[i] = 8.0;
+ if (val[i] < -8.0F)
+ val[i] = -8.0F;
+ else if (val[i] > 8.0F)
+ val[i] = 8.0F;
}
}
}
}
}
-/**
- * Execute the given fragment shader
- * NOTE: we do everything in single-precision floating point; we don't
- * currently observe the single/half/fixed-precision qualifiers.
- * \param ctx - rendering context
- * \param program - the fragment program to execute
- * \param machine - machine state (register file)
- * \param maxInst - max number of instructions to execute
- * \return GL_TRUE if program completed or GL_FALSE if program executed KIL.
- */
-
struct ati_fs_opcode_st ati_fs_opcodes[] = {
{GL_ADD_ATI, 2},
{GL_SUB_ATI, 2},
if (pass_tex >= GL_TEXTURE0_ARB && pass_tex <= GL_TEXTURE7_ARB) {
pass_tex -= GL_TEXTURE0_ARB;
COPY_4V(machine->Registers[idx],
- span->array->texcoords[pass_tex][column]);
+ span->array->attribs[FRAG_ATTRIB_TEX0 + pass_tex][column]);
}
else if (pass_tex >= GL_REG_0_ATI && pass_tex <= GL_REG_5_ATI) {
pass_tex -= GL_REG_0_ATI;
}
static void
-handle_sample_op(GLcontext * ctx, struct atifs_machine *machine,
+handle_sample_op(struct gl_context * ctx, struct atifs_machine *machine,
struct atifs_setupinst *texinst, const SWspan *span,
GLuint column, GLuint idx)
{
/* sample from unit idx using texinst->src as coords */
GLuint swizzle = texinst->swizzle;
GLuint coord_source = texinst->src;
- GLfloat tex_coords[4];
+ GLfloat tex_coords[4] = { 0 };
if (coord_source >= GL_TEXTURE0_ARB && coord_source <= GL_TEXTURE7_ARB) {
coord_source -= GL_TEXTURE0_ARB;
- COPY_4V(tex_coords, span->array->texcoords[coord_source][column]);
+ COPY_4V(tex_coords,
+ span->array->attribs[FRAG_ATTRIB_TEX0 + coord_source][column]);
}
else if (coord_source >= GL_REG_0_ATI && coord_source <= GL_REG_5_ATI) {
coord_source -= GL_REG_0_ATI;
COPY_4V(src[optype][i], x); \
} while (0)
-static GLboolean
-execute_shader(GLcontext * ctx,
- const struct ati_fragment_shader *shader, GLuint maxInst,
+
+
+/**
+ * Execute the given fragment shader.
+ * NOTE: we do everything in single-precision floating point
+ * \param ctx - rendering context
+ * \param shader - the shader to execute
+ * \param machine - virtual machine state
+ * \param span - the SWspan we're operating on
+ * \param column - which pixel [i] we're operating on in the span
+ */
+static void
+execute_shader(struct gl_context *ctx, const struct ati_fragment_shader *shader,
struct atifs_machine *machine, const SWspan *span,
- GLuint column)
+ GLuint column)
{
GLuint pc;
struct atifs_instruction *inst;
struct atifs_setupinst *texinst;
GLint optype;
- GLint i, j, pass;
+ GLuint i;
+ GLint j, pass;
GLint dstreg;
GLfloat src[2][3][4];
GLfloat zeros[4] = { 0.0, 0.0, 0.0, 0.0 };
/* setup the source registers for color and alpha ops */
for (optype = 0; optype < 2; optype++) {
- for (i = 0; i < inst->ArgCount[optype]; i++) {
+ for (i = 0; i < inst->ArgCount[optype]; i++) {
GLint index = inst->SrcReg[optype][i].Index;
if (index >= GL_REG_0_ATI && index <= GL_REG_5_ATI)
}
}
}
- return GL_TRUE;
}
* Init fragment shader virtual machine state.
*/
static void
-init_machine(GLcontext * ctx, struct atifs_machine *machine,
+init_machine(struct gl_context * ctx, struct atifs_machine *machine,
const struct ati_fragment_shader *shader,
const SWspan *span, GLuint col)
{
machine->Registers[i][j] = 0.0;
}
- COPY_4V(inputs[ATI_FS_INPUT_PRIMARY], span->array->color.sz4.rgba[col]);
- COPY_4V(inputs[ATI_FS_INPUT_SECONDARY], span->array->color.sz4.spec[col]);
+ COPY_4V(inputs[ATI_FS_INPUT_PRIMARY], span->array->attribs[FRAG_ATTRIB_COL0][col]);
+ COPY_4V(inputs[ATI_FS_INPUT_SECONDARY], span->array->attribs[FRAG_ATTRIB_COL1][col]);
}
* Execute the current ATI shader program, operating on the given span.
*/
void
-_swrast_exec_fragment_shader(GLcontext * ctx, SWspan *span)
+_swrast_exec_fragment_shader(struct gl_context * ctx, SWspan *span)
{
const struct ati_fragment_shader *shader = ctx->ATIFragmentShader.Current;
struct atifs_machine machine;
/* incoming colors should be floats */
ASSERT(span->array->ChanType == GL_FLOAT);
- ctx->_CurrentProgram = GL_FRAGMENT_SHADER_ATI;
-
for (i = 0; i < span->end; i++) {
if (span->array->mask[i]) {
init_machine(ctx, &machine, shader, span, i);
- /* can't really happen... */
- if (!execute_shader(ctx, shader, ~0, &machine, span, i)) {
- span->array->mask[i] = GL_FALSE;
- span->writeAll = GL_FALSE;
- }
+
+ execute_shader(ctx, shader, &machine, span, i);
/* store result color */
{
const GLfloat *colOut = machine.Registers[0];
/*fprintf(stderr,"outputs %f %f %f %f\n",
colOut[0], colOut[1], colOut[2], colOut[3]); */
- COPY_4V(span->array->color.sz4.rgba[i], colOut);
+ COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0][i], colOut);
}
}
}
-
- ctx->_CurrentProgram = 0;
}
projects / mesa.git / blobdiff