/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 7.3
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* functions to draw triangles.
*/
-#include "glheader.h"
-#include "context.h"
-#include "colormac.h"
-#include "imports.h"
-#include "macros.h"
-#include "texformat.h"
-#include "teximage.h"
-#include "texstate.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/colormac.h"
+#include "main/imports.h"
+#include "main/macros.h"
+#include "main/texformat.h"
+#include "shader/prog_instruction.h"
#include "s_aatriangle.h"
#include "s_context.h"
-#include "s_depth.h"
#include "s_feedback.h"
#include "s_span.h"
#include "s_triangle.h"
const SWvertex *v1,
const SWvertex *v2 )
{
- GLfloat ex = v1->win[0] - v0->win[0];
- GLfloat ey = v1->win[1] - v0->win[1];
- GLfloat fx = v2->win[0] - v0->win[0];
- GLfloat fy = v2->win[1] - v0->win[1];
+ GLfloat ex = v1->attrib[FRAG_ATTRIB_WPOS][0] - v0->attrib[FRAG_ATTRIB_WPOS][0];
+ GLfloat ey = v1->attrib[FRAG_ATTRIB_WPOS][1] - v0->attrib[FRAG_ATTRIB_WPOS][1];
+ GLfloat fx = v2->attrib[FRAG_ATTRIB_WPOS][0] - v0->attrib[FRAG_ATTRIB_WPOS][0];
+ GLfloat fy = v2->attrib[FRAG_ATTRIB_WPOS][1] - v0->attrib[FRAG_ATTRIB_WPOS][1];
GLfloat c = ex*fy-ey*fx;
- if (c * SWRAST_CONTEXT(ctx)->_BackfaceSign > 0)
+ if (c * SWRAST_CONTEXT(ctx)->_BackfaceCullSign > 0)
return 0;
return 1;
/*
- * Render a flat-shaded color index triangle.
+ * Render a smooth or flat-shaded color index triangle.
*/
-#define NAME flat_ci_triangle
+#define NAME ci_triangle
#define INTERP_Z 1
-#define INTERP_FOG 1
-#define SETUP_CODE \
- span.interpMask |= SPAN_INDEX; \
- span.index = FloatToFixed(v2->index);\
- span.indexStep = 0;
-#define RENDER_SPAN( span ) _swrast_write_index_span(ctx, &span);
-#include "s_tritemp.h"
-
-
-
-/*
- * Render a smooth-shaded color index triangle.
- */
-#define NAME smooth_ci_triangle
-#define INTERP_Z 1
-#define INTERP_FOG 1
+#define INTERP_ATTRIBS 1 /* just for fog */
#define INTERP_INDEX 1
#define RENDER_SPAN( span ) _swrast_write_index_span(ctx, &span);
#include "s_tritemp.h"
*/
#define NAME flat_rgba_triangle
#define INTERP_Z 1
-#define INTERP_FOG 1
#define SETUP_CODE \
ASSERT(ctx->Texture._EnabledCoordUnits == 0);\
ASSERT(ctx->Light.ShadeModel==GL_FLAT); \
*/
#define NAME smooth_rgba_triangle
#define INTERP_Z 1
-#define INTERP_FOG 1
#define INTERP_RGB 1
#define INTERP_ALPHA 1
#define SETUP_CODE \
* Render an RGB, GL_DECAL, textured triangle.
* Interpolate S,T only w/out mipmapping or perspective correction.
*
- * No fog.
+ * No fog. No depth testing.
*/
#define NAME simple_textured_triangle
#define INTERP_INT_TEX 1
#define T_SCALE theight
#define SETUP_CODE \
- SWcontext *swrast = SWRAST_CONTEXT(ctx); \
- struct gl_texture_object *obj = ctx->Texture.Unit[0].Current2D; \
+ struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0]; \
+ struct gl_texture_object *obj = \
+ ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX]; \
const GLint b = obj->BaseLevel; \
const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \
const GLfloat theight = (GLfloat) obj->Image[0][b]->Height; \
const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data; \
const GLint smask = obj->Image[0][b]->Width - 1; \
const GLint tmask = obj->Image[0][b]->Height - 1; \
- if (!texture) { \
- /* this shouldn't happen */ \
+ if (!rb || !texture) { \
return; \
}
-#define RENDER_SPAN( span ) \
+#define RENDER_SPAN( span ) \
GLuint i; \
+ GLchan rgb[MAX_WIDTH][3]; \
span.intTex[0] -= FIXED_HALF; /* off-by-one error? */ \
span.intTex[1] -= FIXED_HALF; \
for (i = 0; i < span.end; i++) { \
GLint t = FixedToInt(span.intTex[1]) & tmask; \
GLint pos = (t << twidth_log2) + s; \
pos = pos + pos + pos; /* multiply by 3 */ \
- span.array->rgb[i][RCOMP] = texture[pos]; \
- span.array->rgb[i][GCOMP] = texture[pos+1]; \
- span.array->rgb[i][BCOMP] = texture[pos+2]; \
+ rgb[i][RCOMP] = texture[pos]; \
+ rgb[i][GCOMP] = texture[pos+1]; \
+ rgb[i][BCOMP] = texture[pos+2]; \
span.intTex[0] += span.intTexStep[0]; \
span.intTex[1] += span.intTexStep[1]; \
} \
- (*swrast->Driver.WriteRGBSpan)(ctx, span.end, span.x, span.y, \
- (CONST GLchan (*)[3]) span.array->rgb,\
- NULL );
+ rb->PutRowRGB(ctx, rb, span.end, span.x, span.y, rgb, NULL);
+
#include "s_tritemp.h"
#define T_SCALE theight
#define SETUP_CODE \
- SWcontext *swrast = SWRAST_CONTEXT(ctx); \
- struct gl_texture_object *obj = ctx->Texture.Unit[0].Current2D; \
+ struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0]; \
+ struct gl_texture_object *obj = \
+ ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX]; \
const GLint b = obj->BaseLevel; \
const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \
const GLfloat theight = (GLfloat) obj->Image[0][b]->Height; \
const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data; \
const GLint smask = obj->Image[0][b]->Width - 1; \
const GLint tmask = obj->Image[0][b]->Height - 1; \
- if (!texture) { \
- /* this shouldn't happen */ \
+ if (!rb || !texture) { \
return; \
}
#define RENDER_SPAN( span ) \
GLuint i; \
+ GLchan rgb[MAX_WIDTH][3]; \
span.intTex[0] -= FIXED_HALF; /* off-by-one error? */ \
span.intTex[1] -= FIXED_HALF; \
for (i = 0; i < span.end; i++) { \
- const GLdepth z = FixedToDepth(span.z); \
+ const GLuint z = FixedToDepth(span.z); \
if (z < zRow[i]) { \
GLint s = FixedToInt(span.intTex[0]) & smask; \
GLint t = FixedToInt(span.intTex[1]) & tmask; \
GLint pos = (t << twidth_log2) + s; \
pos = pos + pos + pos; /* multiply by 3 */ \
- span.array->rgb[i][RCOMP] = texture[pos]; \
- span.array->rgb[i][GCOMP] = texture[pos+1]; \
- span.array->rgb[i][BCOMP] = texture[pos+2]; \
+ rgb[i][RCOMP] = texture[pos]; \
+ rgb[i][GCOMP] = texture[pos+1]; \
+ rgb[i][BCOMP] = texture[pos+2]; \
zRow[i] = z; \
span.array->mask[i] = 1; \
} \
span.intTex[1] += span.intTexStep[1]; \
span.z += span.zStep; \
} \
- (*swrast->Driver.WriteRGBSpan)(ctx, span.end, span.x, span.y, \
- (CONST GLchan (*)[3]) span.array->rgb,\
- span.array->mask );
-#include "s_tritemp.h"
+ rb->PutRowRGB(ctx, rb, span.end, span.x, span.y, rgb, span.array->mask);
+#include "s_tritemp.h"
#if CHAN_TYPE != GL_FLOAT
};
+static INLINE GLint
+ilerp(GLint t, GLint a, GLint b)
+{
+ return a + ((t * (b - a)) >> FIXED_SHIFT);
+}
+
+static INLINE GLint
+ilerp_2d(GLint ia, GLint ib, GLint v00, GLint v10, GLint v01, GLint v11)
+{
+ const GLint temp0 = ilerp(ia, v00, v10);
+ const GLint temp1 = ilerp(ia, v01, v11);
+ return ilerp(ib, temp0, temp1);
+}
+
+
/* This function can handle GL_NEAREST or GL_LINEAR sampling of 2D RGB or RGBA
* textures with GL_REPLACE, GL_MODULATE, GL_BLEND, GL_DECAL or GL_ADD
* texture env modes.
*/
static INLINE void
-affine_span(GLcontext *ctx, struct sw_span *span,
+affine_span(GLcontext *ctx, SWspan *span,
struct affine_info *info)
{
GLchan sample[4]; /* the filtered texture sample */
+ const GLuint texEnableSave = ctx->Texture._EnabledCoordUnits;
/* Instead of defining a function for each mode, a test is done
* between the outer and inner loops. This is to reduce code size
sample[ACOMP] = CHAN_MAX
#define LINEAR_RGB \
- sample[RCOMP] = (ti * (si * tex00[0] + sf * tex01[0]) + \
- tf * (si * tex10[0] + sf * tex11[0])) >> 2 * FIXED_SHIFT; \
- sample[GCOMP] = (ti * (si * tex00[1] + sf * tex01[1]) + \
- tf * (si * tex10[1] + sf * tex11[1])) >> 2 * FIXED_SHIFT; \
- sample[BCOMP] = (ti * (si * tex00[2] + sf * tex01[2]) + \
- tf * (si * tex10[2] + sf * tex11[2])) >> 2 * FIXED_SHIFT; \
- sample[ACOMP] = CHAN_MAX
+ sample[RCOMP] = ilerp_2d(sf, tf, tex00[0], tex01[0], tex10[0], tex11[0]);\
+ sample[GCOMP] = ilerp_2d(sf, tf, tex00[1], tex01[1], tex10[1], tex11[1]);\
+ sample[BCOMP] = ilerp_2d(sf, tf, tex00[2], tex01[2], tex10[2], tex11[2]);\
+ sample[ACOMP] = CHAN_MAX;
#define NEAREST_RGBA COPY_CHAN4(sample, tex00)
#define LINEAR_RGBA \
- sample[RCOMP] = (ti * (si * tex00[0] + sf * tex01[0]) + \
- tf * (si * tex10[0] + sf * tex11[0])) >> 2 * FIXED_SHIFT;\
- sample[GCOMP] = (ti * (si * tex00[1] + sf * tex01[1]) + \
- tf * (si * tex10[1] + sf * tex11[1])) >> 2 * FIXED_SHIFT;\
- sample[BCOMP] = (ti * (si * tex00[2] + sf * tex01[2]) + \
- tf * (si * tex10[2] + sf * tex11[2])) >> 2 * FIXED_SHIFT;\
- sample[ACOMP] = (ti * (si * tex00[3] + sf * tex01[3]) + \
- tf * (si * tex10[3] + sf * tex11[3])) >> 2 * FIXED_SHIFT
+ sample[RCOMP] = ilerp_2d(sf, tf, tex00[0], tex01[0], tex10[0], tex11[0]);\
+ sample[GCOMP] = ilerp_2d(sf, tf, tex00[1], tex01[1], tex10[1], tex11[1]);\
+ sample[BCOMP] = ilerp_2d(sf, tf, tex00[2], tex01[2], tex10[2], tex11[2]);\
+ sample[ACOMP] = ilerp_2d(sf, tf, tex00[3], tex01[3], tex10[3], tex11[3])
#define MODULATE \
dest[RCOMP] = span->red * (sample[RCOMP] + 1u) >> (FIXED_SHIFT + 8); \
#define NEAREST_RGBA_REPLACE COPY_CHAN4(dest, tex00)
-#define SPAN_NEAREST(DO_TEX,COMP) \
+#define SPAN_NEAREST(DO_TEX, COMPS) \
for (i = 0; i < span->end; i++) { \
/* Isn't it necessary to use FixedFloor below?? */ \
GLint s = FixedToInt(span->intTex[0]) & info->smask; \
GLint t = FixedToInt(span->intTex[1]) & info->tmask; \
GLint pos = (t << info->twidth_log2) + s; \
- const GLchan *tex00 = info->texture + COMP * pos; \
+ const GLchan *tex00 = info->texture + COMPS * pos; \
DO_TEX; \
span->red += span->redStep; \
span->green += span->greenStep; \
dest += 4; \
}
-#define SPAN_LINEAR(DO_TEX,COMP) \
+#define SPAN_LINEAR(DO_TEX, COMPS) \
for (i = 0; i < span->end; i++) { \
/* Isn't it necessary to use FixedFloor below?? */ \
- GLint s = FixedToInt(span->intTex[0]) & info->smask; \
- GLint t = FixedToInt(span->intTex[1]) & info->tmask; \
- GLfixed sf = span->intTex[0] & FIXED_FRAC_MASK; \
- GLfixed tf = span->intTex[1] & FIXED_FRAC_MASK; \
- GLfixed si = FIXED_FRAC_MASK - sf; \
- GLfixed ti = FIXED_FRAC_MASK - tf; \
- GLint pos = (t << info->twidth_log2) + s; \
- const GLchan *tex00 = info->texture + COMP * pos; \
+ const GLint s = FixedToInt(span->intTex[0]) & info->smask; \
+ const GLint t = FixedToInt(span->intTex[1]) & info->tmask; \
+ const GLfixed sf = span->intTex[0] & FIXED_FRAC_MASK; \
+ const GLfixed tf = span->intTex[1] & FIXED_FRAC_MASK; \
+ const GLint pos = (t << info->twidth_log2) + s; \
+ const GLchan *tex00 = info->texture + COMPS * pos; \
const GLchan *tex10 = tex00 + info->tbytesline; \
- const GLchan *tex01 = tex00 + COMP; \
- const GLchan *tex11 = tex10 + COMP; \
- (void) ti; \
- (void) si; \
+ const GLchan *tex01 = tex00 + COMPS; \
+ const GLchan *tex11 = tex10 + COMPS; \
if (t == info->tmask) { \
tex10 -= info->tsize; \
tex11 -= info->tsize; \
GLuint i;
GLchan *dest = span->array->rgba[0];
+ /* Disable tex units so they're not re-applied in swrast_write_rgba_span */
+ ctx->Texture._EnabledCoordUnits = 0x0;
+
span->intTex[0] -= FIXED_HALF;
span->intTex[1] -= FIXED_HALF;
switch (info->filter) {
}
span->interpMask &= ~SPAN_RGBA;
ASSERT(span->arrayMask & SPAN_RGBA);
+
_swrast_write_rgba_span(ctx, span);
+ /* re-enable texture units */
+ ctx->Texture._EnabledCoordUnits = texEnableSave;
+
#undef SPAN_NEAREST
#undef SPAN_LINEAR
}
*/
#define NAME affine_textured_triangle
#define INTERP_Z 1
-#define INTERP_FOG 1
#define INTERP_RGB 1
#define INTERP_ALPHA 1
#define INTERP_INT_TEX 1
#define SETUP_CODE \
struct affine_info info; \
struct gl_texture_unit *unit = ctx->Texture.Unit+0; \
- struct gl_texture_object *obj = unit->Current2D; \
+ struct gl_texture_object *obj = \
+ ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX]; \
const GLint b = obj->BaseLevel; \
const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \
const GLfloat theight = (GLfloat) obj->Image[0][b]->Height; \
info.twidth_log2 = obj->Image[0][b]->WidthLog2; \
info.smask = obj->Image[0][b]->Width - 1; \
info.tmask = obj->Image[0][b]->Height - 1; \
- info.format = obj->Image[0][b]->Format; \
+ info.format = obj->Image[0][b]->_BaseFormat; \
info.filter = obj->MinFilter; \
info.envmode = unit->EnvMode; \
span.arrayMask |= SPAN_RGBA; \
static INLINE void
-fast_persp_span(GLcontext *ctx, struct sw_span *span,
+fast_persp_span(GLcontext *ctx, SWspan *span,
struct persp_info *info)
{
GLchan sample[4]; /* the filtered texture sample */
for (i = 0; i < span->end; i++) { \
GLdouble invQ = tex_coord[2] ? \
(1.0 / tex_coord[2]) : 1.0; \
- GLfloat s_tmp = (GLfloat) (tex_coord[0] * invQ); \
- GLfloat t_tmp = (GLfloat) (tex_coord[1] * invQ); \
- GLfixed s_fix = FloatToFixed(s_tmp) - FIXED_HALF; \
- GLfixed t_fix = FloatToFixed(t_tmp) - FIXED_HALF; \
- GLint s = FixedToInt(FixedFloor(s_fix)) & info->smask; \
- GLint t = FixedToInt(FixedFloor(t_fix)) & info->tmask; \
- GLfixed sf = s_fix & FIXED_FRAC_MASK; \
- GLfixed tf = t_fix & FIXED_FRAC_MASK; \
- GLfixed si = FIXED_FRAC_MASK - sf; \
- GLfixed ti = FIXED_FRAC_MASK - tf; \
- GLint pos = (t << info->twidth_log2) + s; \
+ const GLfloat s_tmp = (GLfloat) (tex_coord[0] * invQ); \
+ const GLfloat t_tmp = (GLfloat) (tex_coord[1] * invQ); \
+ const GLfixed s_fix = FloatToFixed(s_tmp) - FIXED_HALF; \
+ const GLfixed t_fix = FloatToFixed(t_tmp) - FIXED_HALF; \
+ const GLint s = FixedToInt(FixedFloor(s_fix)) & info->smask; \
+ const GLint t = FixedToInt(FixedFloor(t_fix)) & info->tmask; \
+ const GLfixed sf = s_fix & FIXED_FRAC_MASK; \
+ const GLfixed tf = t_fix & FIXED_FRAC_MASK; \
+ const GLint pos = (t << info->twidth_log2) + s; \
const GLchan *tex00 = info->texture + COMP * pos; \
const GLchan *tex10 = tex00 + info->tbytesline; \
const GLchan *tex01 = tex00 + COMP; \
const GLchan *tex11 = tex10 + COMP; \
- (void) ti; \
- (void) si; \
if (t == info->tmask) { \
tex10 -= info->tsize; \
tex11 -= info->tsize; \
GLfloat tex_coord[3], tex_step[3];
GLchan *dest = span->array->rgba[0];
- const GLuint savedTexEnable = ctx->Texture._EnabledUnits;
- ctx->Texture._EnabledUnits = 0;
+ const GLuint texEnableSave = ctx->Texture._EnabledCoordUnits;
+ ctx->Texture._EnabledCoordUnits = 0;
- tex_coord[0] = span->tex[0][0] * (info->smask + 1);
- tex_step[0] = span->texStepX[0][0] * (info->smask + 1);
- tex_coord[1] = span->tex[0][1] * (info->tmask + 1);
- tex_step[1] = span->texStepX[0][1] * (info->tmask + 1);
- /* span->tex[0][2] only if 3D-texturing, here only 2D */
- tex_coord[2] = span->tex[0][3];
- tex_step[2] = span->texStepX[0][3];
+ tex_coord[0] = span->attrStart[FRAG_ATTRIB_TEX0][0] * (info->smask + 1);
+ tex_step[0] = span->attrStepX[FRAG_ATTRIB_TEX0][0] * (info->smask + 1);
+ tex_coord[1] = span->attrStart[FRAG_ATTRIB_TEX0][1] * (info->tmask + 1);
+ tex_step[1] = span->attrStepX[FRAG_ATTRIB_TEX0][1] * (info->tmask + 1);
+ /* span->attrStart[FRAG_ATTRIB_TEX0][2] only if 3D-texturing, here only 2D */
+ tex_coord[2] = span->attrStart[FRAG_ATTRIB_TEX0][3];
+ tex_step[2] = span->attrStepX[FRAG_ATTRIB_TEX0][3];
switch (info->filter) {
case GL_NEAREST:
#undef SPAN_LINEAR
/* restore state */
- ctx->Texture._EnabledUnits = savedTexEnable;
+ ctx->Texture._EnabledCoordUnits = texEnableSave;
}
*/
#define NAME persp_textured_triangle
#define INTERP_Z 1
-#define INTERP_W 1
-#define INTERP_FOG 1
#define INTERP_RGB 1
#define INTERP_ALPHA 1
-#define INTERP_TEX 1
+#define INTERP_ATTRIBS 1
#define SETUP_CODE \
struct persp_info info; \
const struct gl_texture_unit *unit = ctx->Texture.Unit+0; \
- const struct gl_texture_object *obj = unit->Current2D; \
+ struct gl_texture_object *obj = \
+ ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX]; \
const GLint b = obj->BaseLevel; \
info.texture = (const GLchan *) obj->Image[0][b]->Data; \
info.twidth_log2 = obj->Image[0][b]->WidthLog2; \
info.smask = obj->Image[0][b]->Width - 1; \
info.tmask = obj->Image[0][b]->Height - 1; \
- info.format = obj->Image[0][b]->Format; \
+ info.format = obj->Image[0][b]->_BaseFormat; \
info.filter = obj->MinFilter; \
info.envmode = unit->EnvMode; \
\
#include "s_tritemp.h"
+#endif /*CHAN_TYPE != GL_FLOAT*/
-#endif /* CHAN_BITS != GL_FLOAT */
-
-
/*
- * Render a smooth-shaded, textured, RGBA triangle.
- * Interpolate S,T,R with perspective correction, w/out mipmapping.
+ * Render an RGBA triangle with arbitrary attributes.
*/
-#define NAME general_textured_triangle
+#define NAME general_triangle
#define INTERP_Z 1
-#define INTERP_W 1
-#define INTERP_FOG 1
#define INTERP_RGB 1
-#define INTERP_SPEC 1
#define INTERP_ALPHA 1
-#define INTERP_TEX 1
+#define INTERP_ATTRIBS 1
#define RENDER_SPAN( span ) _swrast_write_rgba_span(ctx, &span);
#include "s_tritemp.h"
-/*
- * This is the big one!
- * Interpolate Z, RGB, Alpha, specular, fog, and N sets of texture coordinates.
- * Yup, it's slow.
- */
-#define NAME multitextured_triangle
-#define INTERP_Z 1
-#define INTERP_W 1
-#define INTERP_FOG 1
-#define INTERP_RGB 1
-#define INTERP_ALPHA 1
-#define INTERP_SPEC 1
-#define INTERP_MULTITEX 1
-#define RENDER_SPAN( span ) _swrast_write_rgba_span(ctx, &span);
-#include "s_tritemp.h"
-
-
/*
* Special tri function for occlusion testing
*/
#define NAME occlusion_zless_triangle
#define INTERP_Z 1
-#define SETUP_CODE \
- ASSERT(ctx->Depth.Test); \
- ASSERT(!ctx->Depth.Mask); \
- ASSERT(ctx->Depth.Func == GL_LESS); \
- if (ctx->OcclusionResult && !ctx->Occlusion.Active) { \
- return; \
+#define SETUP_CODE \
+ struct gl_renderbuffer *rb = ctx->DrawBuffer->_DepthBuffer; \
+ struct gl_query_object *q = ctx->Query.CurrentOcclusionObject; \
+ ASSERT(ctx->Depth.Test); \
+ ASSERT(!ctx->Depth.Mask); \
+ ASSERT(ctx->Depth.Func == GL_LESS); \
+ if (!q) { \
+ return; \
}
#define RENDER_SPAN( span ) \
- if (ctx->Visual.depthBits <= 16) { \
+ if (rb->DepthBits <= 16) { \
GLuint i; \
const GLushort *zRow = (const GLushort *) \
- _swrast_zbuffer_address(ctx, span.x, span.y); \
+ rb->GetPointer(ctx, rb, span.x, span.y); \
for (i = 0; i < span.end; i++) { \
- GLdepth z = FixedToDepth(span.z); \
+ GLuint z = FixedToDepth(span.z); \
if (z < zRow[i]) { \
- ctx->OcclusionResult = GL_TRUE; \
- ctx->Occlusion.PassedCounter++; \
+ q->Result++; \
} \
span.z += span.zStep; \
} \
else { \
GLuint i; \
const GLuint *zRow = (const GLuint *) \
- _swrast_zbuffer_address(ctx, span.x, span.y); \
+ rb->GetPointer(ctx, rb, span.x, span.y); \
for (i = 0; i < span.end; i++) { \
if ((GLuint)span.z < zRow[i]) { \
- ctx->OcclusionResult = GL_TRUE; \
- ctx->Occlusion.PassedCounter++; \
+ q->Result++; \
} \
span.z += span.zStep; \
} \
* draw the triangle, then restore the original primary color.
* Inefficient, but seldom needed.
*/
-void _swrast_add_spec_terms_triangle( GLcontext *ctx,
- const SWvertex *v0,
- const SWvertex *v1,
- const SWvertex *v2 )
+void
+_swrast_add_spec_terms_triangle(GLcontext *ctx, const SWvertex *v0,
+ const SWvertex *v1, const SWvertex *v2)
{
SWvertex *ncv0 = (SWvertex *)v0; /* drop const qualifier */
SWvertex *ncv1 = (SWvertex *)v1;
SWvertex *ncv2 = (SWvertex *)v2;
-#if CHAN_TYPE == GL_FLOAT
GLfloat rSum, gSum, bSum;
-#else
- GLint rSum, gSum, bSum;
-#endif
- GLchan c[3][4];
+ GLchan cSave[3][4];
+
/* save original colors */
- COPY_CHAN4( c[0], ncv0->color );
- COPY_CHAN4( c[1], ncv1->color );
- COPY_CHAN4( c[2], ncv2->color );
+ COPY_CHAN4( cSave[0], ncv0->color );
+ COPY_CHAN4( cSave[1], ncv1->color );
+ COPY_CHAN4( cSave[2], ncv2->color );
/* sum v0 */
- rSum = ncv0->color[0] + ncv0->specular[0];
- gSum = ncv0->color[1] + ncv0->specular[1];
- bSum = ncv0->color[2] + ncv0->specular[2];
- ncv0->color[0] = MIN2(rSum, CHAN_MAX);
- ncv0->color[1] = MIN2(gSum, CHAN_MAX);
- ncv0->color[2] = MIN2(bSum, CHAN_MAX);
+ rSum = CHAN_TO_FLOAT(ncv0->color[0]) + ncv0->attrib[FRAG_ATTRIB_COL1][0];
+ gSum = CHAN_TO_FLOAT(ncv0->color[1]) + ncv0->attrib[FRAG_ATTRIB_COL1][1];
+ bSum = CHAN_TO_FLOAT(ncv0->color[2]) + ncv0->attrib[FRAG_ATTRIB_COL1][2];
+ UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[0], rSum);
+ UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[1], gSum);
+ UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[2], bSum);
/* sum v1 */
- rSum = ncv1->color[0] + ncv1->specular[0];
- gSum = ncv1->color[1] + ncv1->specular[1];
- bSum = ncv1->color[2] + ncv1->specular[2];
- ncv1->color[0] = MIN2(rSum, CHAN_MAX);
- ncv1->color[1] = MIN2(gSum, CHAN_MAX);
- ncv1->color[2] = MIN2(bSum, CHAN_MAX);
+ rSum = CHAN_TO_FLOAT(ncv1->color[0]) + ncv1->attrib[FRAG_ATTRIB_COL1][0];
+ gSum = CHAN_TO_FLOAT(ncv1->color[1]) + ncv1->attrib[FRAG_ATTRIB_COL1][1];
+ bSum = CHAN_TO_FLOAT(ncv1->color[2]) + ncv1->attrib[FRAG_ATTRIB_COL1][2];
+ UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[0], rSum);
+ UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[1], gSum);
+ UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[2], bSum);
/* sum v2 */
- rSum = ncv2->color[0] + ncv2->specular[0];
- gSum = ncv2->color[1] + ncv2->specular[1];
- bSum = ncv2->color[2] + ncv2->specular[2];
- ncv2->color[0] = MIN2(rSum, CHAN_MAX);
- ncv2->color[1] = MIN2(gSum, CHAN_MAX);
- ncv2->color[2] = MIN2(bSum, CHAN_MAX);
+ rSum = CHAN_TO_FLOAT(ncv2->color[0]) + ncv2->attrib[FRAG_ATTRIB_COL1][0];
+ gSum = CHAN_TO_FLOAT(ncv2->color[1]) + ncv2->attrib[FRAG_ATTRIB_COL1][1];
+ bSum = CHAN_TO_FLOAT(ncv2->color[2]) + ncv2->attrib[FRAG_ATTRIB_COL1][2];
+ UNCLAMPED_FLOAT_TO_CHAN(ncv2->color[0], rSum);
+ UNCLAMPED_FLOAT_TO_CHAN(ncv2->color[1], gSum);
+ UNCLAMPED_FLOAT_TO_CHAN(ncv2->color[2], bSum);
/* draw */
SWRAST_CONTEXT(ctx)->SpecTriangle( ctx, ncv0, ncv1, ncv2 );
/* restore original colors */
- COPY_CHAN4( ncv0->color, c[0] );
- COPY_CHAN4( ncv1->color, c[1] );
- COPY_CHAN4( ncv2->color, c[2] );
+ COPY_CHAN4( ncv0->color, cSave[0] );
+ COPY_CHAN4( ncv1->color, cSave[1] );
+ COPY_CHAN4( ncv2->color, cSave[2] );
}
}
/* special case for occlusion testing */
- if ((ctx->Depth.OcclusionTest || ctx->Occlusion.Active) &&
+ if (ctx->Query.CurrentOcclusionObject &&
ctx->Depth.Test &&
ctx->Depth.Mask == GL_FALSE &&
ctx->Depth.Func == GL_LESS &&
- !ctx->Stencil.Enabled) {
+ !ctx->Stencil._Enabled) {
if ((rgbmode &&
ctx->Color.ColorMask[0] == 0 &&
ctx->Color.ColorMask[1] == 0 &&
}
}
- if (ctx->Texture._EnabledCoordUnits || ctx->FragmentProgram._Active) {
+ if (!rgbmode) {
+ USE(ci_triangle);
+ return;
+ }
+
+ /*
+ * XXX should examine swrast->_ActiveAttribMask to determine what
+ * needs to be interpolated.
+ */
+ if (ctx->Texture._EnabledCoordUnits ||
+ ctx->FragmentProgram._Current ||
+ ctx->ATIFragmentShader._Enabled ||
+ NEED_SECONDARY_COLOR(ctx) ||
+ swrast->_FogEnabled) {
/* Ugh, we do a _lot_ of tests to pick the best textured tri func */
- const struct gl_texture_object *texObj2D;
+ const struct gl_texture_object *texObj2D;
const struct gl_texture_image *texImg;
GLenum minFilter, magFilter, envMode;
GLint format;
- texObj2D = ctx->Texture.Unit[0].Current2D;
+ texObj2D = ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX];
+
texImg = texObj2D ? texObj2D->Image[0][texObj2D->BaseLevel] : NULL;
format = texImg ? texImg->TexFormat->MesaFormat : -1;
minFilter = texObj2D ? texObj2D->MinFilter : (GLenum) 0;
/* First see if we can use an optimized 2-D texture function */
if (ctx->Texture._EnabledCoordUnits == 0x1
- && !ctx->FragmentProgram._Active
+ && !ctx->FragmentProgram._Current
+ && !ctx->ATIFragmentShader._Enabled
&& ctx->Texture.Unit[0]._ReallyEnabled == TEXTURE_2D_BIT
&& texObj2D->WrapS == GL_REPEAT
- && texObj2D->WrapT == GL_REPEAT
- && texObj2D->_IsPowerOfTwo
+ && texObj2D->WrapT == GL_REPEAT
+ && texObj2D->_Swizzle == SWIZZLE_NOOP
+ && texImg->_IsPowerOfTwo
&& texImg->Border == 0
&& texImg->Width == texImg->RowStride
&& (format == MESA_FORMAT_RGB || format == MESA_FORMAT_RGBA)
- && minFilter == magFilter
- && ctx->Light.Model.ColorControl == GL_SINGLE_COLOR
- && ctx->Texture.Unit[0].EnvMode != GL_COMBINE_EXT) {
+ && minFilter == magFilter
+ && ctx->Light.Model.ColorControl == GL_SINGLE_COLOR
+ && !swrast->_FogEnabled
+ && ctx->Texture.Unit[0].EnvMode != GL_COMBINE_EXT
+ && ctx->Texture.Unit[0].EnvMode != GL_COMBINE4_NV) {
if (ctx->Hint.PerspectiveCorrection==GL_FASTEST) {
if (minFilter == GL_NEAREST
&& format == MESA_FORMAT_RGB
&& ctx->Depth.Mask == GL_TRUE)
|| swrast->_RasterMask == TEXTURE_BIT)
&& ctx->Polygon.StippleFlag == GL_FALSE
- && ctx->Visual.depthBits <= 16) {
+ && ctx->DrawBuffer->Visual.depthBits <= 16) {
if (swrast->_RasterMask == (DEPTH_BIT | TEXTURE_BIT)) {
USE(simple_z_textured_triangle);
}
}
}
else {
-#if (CHAN_BITS == 16 || CHAN_BITS == 32)
- USE(general_textured_triangle);
+#if CHAN_BITS != 8
+ USE(general_triangle);
#else
USE(affine_textured_triangle);
#endif
}
}
else {
-#if (CHAN_BITS == 16 || CHAN_BITS == 32)
- USE(general_textured_triangle);
+#if CHAN_BITS != 8
+ USE(general_triangle);
#else
USE(persp_textured_triangle);
#endif
}
else {
/* general case textured triangles */
- if (ctx->Texture._EnabledCoordUnits > 1) {
- USE(multitextured_triangle);
- }
- else {
- USE(general_textured_triangle);
- }
+ USE(general_triangle);
}
}
else {
- ASSERT(!ctx->Texture._EnabledCoordUnits);
+ ASSERT(!swrast->_FogEnabled);
+ ASSERT(!NEED_SECONDARY_COLOR(ctx));
if (ctx->Light.ShadeModel==GL_SMOOTH) {
/* smooth shaded, no texturing, stippled or some raster ops */
- if (rgbmode) {
- USE(smooth_rgba_triangle);
- }
- else {
- USE(smooth_ci_triangle);
- }
+#if CHAN_BITS != 8
+ USE(general_triangle);
+#else
+ USE(smooth_rgba_triangle);
+#endif
}
else {
/* flat shaded, no texturing, stippled or some raster ops */
- if (rgbmode) {
- USE(flat_rgba_triangle);
- }
- else {
- USE(flat_ci_triangle);
- }
+#if CHAN_BITS != 8
+ USE(general_triangle);
+#else
+ USE(flat_rgba_triangle);
+#endif
}
}
}
projects / mesa.git / blobdiff