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-rw-r--r--src/mesa/swrast/s_context.c28
-rw-r--r--src/mesa/swrast/s_imaging.c10
-rw-r--r--src/mesa/swrast/s_span.c86
-rw-r--r--src/mesa/swrast/s_span.h9
-rw-r--r--src/mesa/swrast/s_texcombine.c10
-rw-r--r--src/mesa/swrast/s_texfilter.c25
6 files changed, 86 insertions, 82 deletions
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index a7eaf76a0a..e7c2ace32c 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -264,13 +264,7 @@ _swrast_update_fragment_program(GLcontext *ctx, GLbitfield newState)
{
const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
if (fp) {
-#if 0
- /* XXX Need a way to trigger the initial loading of parameters
- * even when there's no recent state changes.
- */
- if (fp->Base.Parameters->StateFlags & newState)
-#endif
- _mesa_load_state_parameters(ctx, fp->Base.Parameters);
+ _mesa_load_state_parameters(ctx, fp->Base.Parameters);
}
}
@@ -295,6 +289,7 @@ _swrast_update_specular_vertex_add(GLcontext *ctx)
#define _SWRAST_NEW_DERIVED (_SWRAST_NEW_RASTERMASK | \
+ _NEW_PROGRAM_CONSTANTS | \
_NEW_TEXTURE | \
_NEW_HINT | \
_NEW_POLYGON )
@@ -524,13 +519,6 @@ _swrast_invalidate_state( GLcontext *ctx, GLbitfield new_state )
new_state = ~0;
}
- {
- const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
- if (fp && (fp->Base.Parameters->StateFlags & new_state)) {
- _mesa_load_state_parameters(ctx, fp->Base.Parameters);
- }
- }
-
if (new_state & swrast->InvalidateTriangleMask)
swrast->Triangle = _swrast_validate_triangle;
@@ -647,17 +635,7 @@ _swrast_validate_derived( GLcontext *ctx )
if (swrast->NewState & (_NEW_FOG | _NEW_PROGRAM))
_swrast_update_fog_state( ctx );
- if (swrast->NewState & (_NEW_MODELVIEW |
- _NEW_PROJECTION |
- _NEW_TEXTURE_MATRIX |
- _NEW_FOG |
- _NEW_LIGHT |
- _NEW_LINE |
- _NEW_TEXTURE |
- _NEW_TRANSFORM |
- _NEW_POINT |
- _NEW_VIEWPORT |
- _NEW_PROGRAM))
+ if (swrast->NewState & (_NEW_PROGRAM_CONSTANTS | _NEW_PROGRAM))
_swrast_update_fragment_program( ctx, swrast->NewState );
if (swrast->NewState & (_NEW_TEXTURE | _NEW_PROGRAM)) {
diff --git a/src/mesa/swrast/s_imaging.c b/src/mesa/swrast/s_imaging.c
index d6be3aa022..3578b713f6 100644
--- a/src/mesa/swrast/s_imaging.c
+++ b/src/mesa/swrast/s_imaging.c
@@ -60,7 +60,7 @@ _swrast_CopyColorTable( GLcontext *ctx,
/* save PBO binding */
bufferSave = ctx->Unpack.BufferObj;
- ctx->Unpack.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj;
_mesa_ColorTable(target, internalformat, width, GL_RGBA, CHAN_TYPE, data);
@@ -94,7 +94,7 @@ _swrast_CopyColorSubTable( GLcontext *ctx,GLenum target, GLsizei start,
/* save PBO binding */
bufferSave = ctx->Unpack.BufferObj;
- ctx->Unpack.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj;
_mesa_ColorSubTable(target, start, width, GL_RGBA, CHAN_TYPE, data);
@@ -126,7 +126,7 @@ _swrast_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target,
/* save PBO binding */
bufferSave = ctx->Unpack.BufferObj;
- ctx->Unpack.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj;
/* store as convolution filter */
_mesa_ConvolutionFilter1D(target, internalFormat, width,
@@ -178,12 +178,12 @@ _swrast_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target,
ctx->Unpack.SkipImages = 0;
ctx->Unpack.SwapBytes = GL_FALSE;
ctx->Unpack.LsbFirst = GL_FALSE;
- ctx->Unpack.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj;
ctx->NewState |= _NEW_PACKUNPACK;
/* save PBO binding */
bufferSave = ctx->Unpack.BufferObj;
- ctx->Unpack.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj;
_mesa_ConvolutionFilter2D(target, internalFormat, width, height,
GL_RGBA, CHAN_TYPE, rgba);
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index cfff82b051..0e2793b474 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -1,8 +1,9 @@
/*
* Mesa 3-D graphics library
- * Version: 7.1
+ * Version: 7.5
*
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. 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"),
@@ -188,10 +189,10 @@ interpolate_active_attribs(GLcontext *ctx, SWspan *span, GLbitfield attrMask)
const GLfloat dv1dx = span->attrStepX[attr][1];
const GLfloat dv2dx = span->attrStepX[attr][2];
const GLfloat dv3dx = span->attrStepX[attr][3];
- GLfloat v0 = span->attrStart[attr][0];
- GLfloat v1 = span->attrStart[attr][1];
- GLfloat v2 = span->attrStart[attr][2];
- GLfloat v3 = span->attrStart[attr][3];
+ GLfloat v0 = span->attrStart[attr][0] + span->leftClip * dv0dx;
+ GLfloat v1 = span->attrStart[attr][1] + span->leftClip * dv1dx;
+ GLfloat v2 = span->attrStart[attr][2] + span->leftClip * dv2dx;
+ GLfloat v3 = span->attrStart[attr][3] + span->leftClip * dv3dx;
GLuint k;
for (k = 0; k < span->end; k++) {
const GLfloat invW = 1.0f / w;
@@ -521,10 +522,10 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
const GLfloat drdx = span->attrStepX[attr][2];
const GLfloat dqdx = span->attrStepX[attr][3];
const GLfloat dqdy = span->attrStepY[attr][3];
- GLfloat s = span->attrStart[attr][0];
- GLfloat t = span->attrStart[attr][1];
- GLfloat r = span->attrStart[attr][2];
- GLfloat q = span->attrStart[attr][3];
+ GLfloat s = span->attrStart[attr][0] + span->leftClip * dsdx;
+ GLfloat t = span->attrStart[attr][1] + span->leftClip * dtdx;
+ GLfloat r = span->attrStart[attr][2] + span->leftClip * drdx;
+ GLfloat q = span->attrStart[attr][3] + span->leftClip * dqdx;
if (obj) {
const struct gl_texture_image *img = obj->Image[0][obj->BaseLevel];
@@ -546,7 +547,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
|| ctx->ATIFragmentShader._Enabled) {
/* do perspective correction but don't divide s, t, r by q */
const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3];
- GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3];
+ GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3] + span->leftClip * dwdx;
for (i = 0; i < span->end; i++) {
const GLfloat invW = 1.0F / w;
texcoord[i][0] = s * invW;
@@ -587,7 +588,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
ctx->ATIFragmentShader._Enabled) {
/* do perspective correction but don't divide s, t, r by q */
const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3];
- GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3];
+ GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3] + span->leftClip * dwdx;
for (i = 0; i < span->end; i++) {
const GLfloat invW = 1.0F / w;
texcoord[i][0] = s * invW;
@@ -660,8 +661,8 @@ interpolate_wpos(GLcontext *ctx, SWspan *span)
}
}
- w = span->attrStart[FRAG_ATTRIB_WPOS][3];
dw = span->attrStepX[FRAG_ATTRIB_WPOS][3];
+ w = span->attrStart[FRAG_ATTRIB_WPOS][3] + span->leftClip * dw;
for (i = 0; i < span->end; i++) {
wpos[i][2] = (GLfloat) span->array->z[i] * zScale;
wpos[i][3] = w;
@@ -726,6 +727,8 @@ clip_span( GLcontext *ctx, SWspan *span )
const GLint ymin = ctx->DrawBuffer->_Ymin;
const GLint ymax = ctx->DrawBuffer->_Ymax;
+ span->leftClip = 0;
+
if (span->arrayMask & SPAN_XY) {
/* arrays of x/y pixel coords */
const GLint *x = span->array->x;
@@ -753,7 +756,7 @@ clip_span( GLcontext *ctx, SWspan *span )
/* horizontal span of pixels */
const GLint x = span->x;
const GLint y = span->y;
- const GLint n = span->end;
+ GLint n = span->end;
/* Trivial rejection tests */
if (y < ymin || y >= ymax || x + n <= xmin || x >= xmax) {
@@ -761,18 +764,44 @@ clip_span( GLcontext *ctx, SWspan *span )
return GL_FALSE; /* all pixels clipped */
}
+ /* Clip to right */
+ if (x + n > xmax) {
+ ASSERT(x < xmax);
+ n = span->end = xmax - x;
+ }
+
/* Clip to the left */
if (x < xmin) {
+ const GLint leftClip = xmin - x;
+ GLuint i;
+
+ ASSERT(leftClip > 0);
ASSERT(x + n > xmin);
+
+ /* Clip 'leftClip' pixels from the left side.
+ * The span->leftClip field will be applied when we interpolate
+ * fragment attributes.
+ * For arrays of values, shift them left.
+ */
+ for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
+ if (span->arrayAttribs & (1 << i)) {
+ /* shift array elements left by 'leftClip' */
+ _mesa_memcpy(span->array->attribs[i],
+ span->array->attribs[i] + leftClip,
+ (n - leftClip) * 4 * sizeof(GLfloat));
+ }
+ }
+
+ span->leftClip = leftClip;
+ span->x = xmin;
+ span->end -= leftClip;
span->writeAll = GL_FALSE;
- _mesa_bzero(span->array->mask, (xmin - x) * sizeof(GLubyte));
}
- /* Clip to right */
- if (x + n > xmax) {
- ASSERT(x < xmax);
- span->end = xmax - x;
- }
+ ASSERT(span->x >= xmin);
+ ASSERT(span->x + span->end <= xmax);
+ ASSERT(span->y >= ymin);
+ ASSERT(span->y < ymax);
return GL_TRUE; /* some pixels visible */
}
@@ -818,6 +847,12 @@ _swrast_write_index_span( GLcontext *ctx, SWspan *span)
}
}
+ if (!(span->arrayMask & SPAN_MASK)) {
+ /* post-clip sanity check */
+ assert(span->x >= 0);
+ assert(span->y >= 0);
+ }
+
/* Depth bounds test */
if (ctx->Depth.BoundsTest && fb->Visual.depthBits > 0) {
if (!_swrast_depth_bounds_test(ctx, span)) {
@@ -1262,7 +1297,6 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
span->primitive == GL_LINE ||
span->primitive == GL_POLYGON ||
span->primitive == GL_BITMAP);
- ASSERT(span->end <= MAX_WIDTH);
/* Fragment write masks */
if (span->arrayMask & SPAN_MASK) {
@@ -1275,15 +1309,16 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
}
/* Clip to window/scissor box */
- if ((swrast->_RasterMask & CLIP_BIT) || (span->primitive != GL_POLYGON)) {
- if (!clip_span(ctx, span)) {
- return;
- }
+ if (!clip_span(ctx, span)) {
+ return;
}
+ ASSERT(span->end <= MAX_WIDTH);
+
#ifdef DEBUG
/* Make sure all fragments are within window bounds */
if (span->arrayMask & SPAN_XY) {
+ /* array of pixel locations */
GLuint i;
for (i = 0; i < span->end; i++) {
if (span->array->mask[i]) {
@@ -1320,7 +1355,6 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
if (ctx->Stencil._Enabled || ctx->Depth.Test) {
if (!(span->arrayMask & SPAN_Z))
_swrast_span_interpolate_z(ctx, span);
-
if (ctx->Stencil._Enabled) {
/* Combined Z/stencil tests */
if (!_swrast_stencil_and_ztest_span(ctx, span)) {
diff --git a/src/mesa/swrast/s_span.h b/src/mesa/swrast/s_span.h
index c4b47df58f..0eabae20e0 100644
--- a/src/mesa/swrast/s_span.h
+++ b/src/mesa/swrast/s_span.h
@@ -1,8 +1,9 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 7.5
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. 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"),
@@ -106,6 +107,9 @@ typedef struct sw_span
/** Number of fragments in the span */
GLuint end;
+ /** for clipping left edge of spans */
+ GLuint leftClip;
+
/** This flag indicates that mask[] array is effectively filled with ones */
GLboolean writeAll;
@@ -165,6 +169,7 @@ do { \
(S).arrayMask = 0x0; \
(S).arrayAttribs = 0x0; \
(S).end = 0; \
+ (S).leftClip = 0; \
(S).facing = 0; \
(S).array = SWRAST_CONTEXT(ctx)->SpanArrays; \
} while (0)
diff --git a/src/mesa/swrast/s_texcombine.c b/src/mesa/swrast/s_texcombine.c
index fae7280efb..889164b986 100644
--- a/src/mesa/swrast/s_texcombine.c
+++ b/src/mesa/swrast/s_texcombine.c
@@ -49,8 +49,7 @@ typedef float (*float4_array)[4];
static INLINE float4_array
get_texel_array(SWcontext *swrast, GLuint unit)
{
- return (float4_array)
- (swrast->TexelBuffer + unit * MAX_WIDTH * 4 * sizeof(GLfloat));
+ return (float4_array) (swrast->TexelBuffer + unit * MAX_WIDTH * 4);
}
@@ -408,17 +407,10 @@ texture_combine( GLcontext *ctx, GLuint unit, GLuint n,
/* this produces a fixed rgba color, and the coord calc is done elsewhere */
for (i = 0; i < n; i++) {
/* rgba result is 0,0,0,1 */
-#if CHAN_TYPE == GL_FLOAT
rgba[i][RCOMP] = 0.0;
rgba[i][GCOMP] = 0.0;
rgba[i][BCOMP] = 0.0;
rgba[i][ACOMP] = 1.0;
-#else
- rgba[i][RCOMP] = 0;
- rgba[i][GCOMP] = 0;
- rgba[i][BCOMP] = 0;
- rgba[i][ACOMP] = CHAN_MAX;
-#endif
}
return; /* no alpha processing */
default:
diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index a483023a50..0067d3eeb7 100644
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -462,6 +462,7 @@ clamp_rect_coord_linear(GLenum wrapMode, GLfloat coord, GLint max,
fcol -= 0.5F;
i0 = IFLOOR(fcol);
i1 = i0 + 1;
+ break;
default:
_mesa_problem(NULL, "bad wrapMode in clamp_rect_coord_linear");
i0 = i1 = 0;
@@ -1328,7 +1329,7 @@ static void
opt_sample_rgb_2d(GLcontext *ctx,
const struct gl_texture_object *tObj,
GLuint n, const GLfloat texcoords[][4],
- const GLfloat lambda[], GLchan rgba[][4])
+ const GLfloat lambda[], GLfloat rgba[][4])
{
const struct gl_texture_image *img = tObj->Image[0][tObj->BaseLevel];
const GLfloat width = (GLfloat) img->Width;
@@ -1350,9 +1351,9 @@ opt_sample_rgb_2d(GLcontext *ctx,
GLint j = IFLOOR(texcoords[k][1] * height) & rowMask;
GLint pos = (j << shift) | i;
GLchan *texel = ((GLchan *) img->Data) + 3*pos;
- rgba[k][RCOMP] = texel[0];
- rgba[k][GCOMP] = texel[1];
- rgba[k][BCOMP] = texel[2];
+ rgba[k][RCOMP] = CHAN_TO_FLOAT(texel[0]);
+ rgba[k][GCOMP] = CHAN_TO_FLOAT(texel[1]);
+ rgba[k][BCOMP] = CHAN_TO_FLOAT(texel[2]);
}
}
@@ -1369,7 +1370,7 @@ static void
opt_sample_rgba_2d(GLcontext *ctx,
const struct gl_texture_object *tObj,
GLuint n, const GLfloat texcoords[][4],
- const GLfloat lambda[], GLchan rgba[][4])
+ const GLfloat lambda[], GLfloat rgba[][4])
{
const struct gl_texture_image *img = tObj->Image[0][tObj->BaseLevel];
const GLfloat width = (GLfloat) img->Width;
@@ -1391,7 +1392,10 @@ opt_sample_rgba_2d(GLcontext *ctx,
const GLint row = IFLOOR(texcoords[i][1] * height) & rowMask;
const GLint pos = (row << shift) | col;
const GLchan *texel = ((GLchan *) img->Data) + (pos << 2); /* pos*4 */
- COPY_4V(rgba[i], texel);
+ rgba[i][RCOMP] = CHAN_TO_FLOAT(texel[0]);
+ rgba[i][GCOMP] = CHAN_TO_FLOAT(texel[1]);
+ rgba[i][BCOMP] = CHAN_TO_FLOAT(texel[2]);
+ rgba[i][ACOMP] = CHAN_TO_FLOAT(texel[3]);
}
}
@@ -1424,7 +1428,6 @@ sample_lambda_2d(GLcontext *ctx,
case GL_NEAREST:
if (repeatNoBorderPOT) {
switch (tImg->TexFormat->MesaFormat) {
-#if 0
case MESA_FORMAT_RGB:
opt_sample_rgb_2d(ctx, tObj, m, texcoords + minStart,
NULL, rgba + minStart);
@@ -1433,7 +1436,6 @@ sample_lambda_2d(GLcontext *ctx,
opt_sample_rgba_2d(ctx, tObj, m, texcoords + minStart,
NULL, rgba + minStart);
break;
-#endif
default:
sample_nearest_2d(ctx, tObj, m, texcoords + minStart,
NULL, rgba + minStart );
@@ -1483,7 +1485,6 @@ sample_lambda_2d(GLcontext *ctx,
case GL_NEAREST:
if (repeatNoBorderPOT) {
switch (tImg->TexFormat->MesaFormat) {
-#if 0
case MESA_FORMAT_RGB:
opt_sample_rgb_2d(ctx, tObj, m, texcoords + magStart,
NULL, rgba + magStart);
@@ -1492,7 +1493,6 @@ sample_lambda_2d(GLcontext *ctx,
opt_sample_rgba_2d(ctx, tObj, m, texcoords + magStart,
NULL, rgba + magStart);
break;
-#endif
default:
sample_nearest_2d(ctx, tObj, m, texcoords + magStart,
NULL, rgba + magStart );
@@ -3179,7 +3179,6 @@ _swrast_choose_texture_sample_func( GLcontext *ctx,
}
else {
/* check for a few optimized cases */
-#if 0
const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
ASSERT(t->MinFilter == GL_NEAREST);
if (t->WrapS == GL_REPEAT &&
@@ -3196,10 +3195,6 @@ _swrast_choose_texture_sample_func( GLcontext *ctx,
img->TexFormat->MesaFormat == MESA_FORMAT_RGBA) {
return &opt_sample_rgba_2d;
}
-#else
- if (0)
- ;
-#endif
else {
return &sample_nearest_2d;
}
generated by cgit v1.2.3 (git 2.51.0) at 2025-11-04 04:45:19 +0000