#include "main/glheader.h"
#include "main/colormac.h"
-#include "main/context.h"
#include "main/macros.h"
#include "main/imports.h"
#include "main/image.h"
* and glBitmap.
*/
void
-_swrast_span_default_attribs(GLcontext *ctx, SWspan *span)
+_swrast_span_default_attribs(struct gl_context *ctx, SWspan *span)
{
+ GLchan r, g, b, a;
/* Z*/
{
const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF;
span->attrStepY[FRAG_ATTRIB_WPOS][3] = 0.0;
/* primary color, or color index */
- if (ctx->Visual.rgbMode) {
- GLchan r, g, b, a;
- UNCLAMPED_FLOAT_TO_CHAN(r, ctx->Current.RasterColor[0]);
- UNCLAMPED_FLOAT_TO_CHAN(g, ctx->Current.RasterColor[1]);
- UNCLAMPED_FLOAT_TO_CHAN(b, ctx->Current.RasterColor[2]);
- UNCLAMPED_FLOAT_TO_CHAN(a, ctx->Current.RasterColor[3]);
+ UNCLAMPED_FLOAT_TO_CHAN(r, ctx->Current.RasterColor[0]);
+ UNCLAMPED_FLOAT_TO_CHAN(g, ctx->Current.RasterColor[1]);
+ UNCLAMPED_FLOAT_TO_CHAN(b, ctx->Current.RasterColor[2]);
+ UNCLAMPED_FLOAT_TO_CHAN(a, ctx->Current.RasterColor[3]);
#if CHAN_TYPE == GL_FLOAT
- span->red = r;
- span->green = g;
- span->blue = b;
- span->alpha = a;
+ span->red = r;
+ span->green = g;
+ span->blue = b;
+ span->alpha = a;
#else
- span->red = IntToFixed(r);
- span->green = IntToFixed(g);
- span->blue = IntToFixed(b);
- span->alpha = IntToFixed(a);
+ span->red = IntToFixed(r);
+ span->green = IntToFixed(g);
+ span->blue = IntToFixed(b);
+ span->alpha = IntToFixed(a);
#endif
- span->redStep = 0;
- span->greenStep = 0;
- span->blueStep = 0;
- span->alphaStep = 0;
- span->interpMask |= SPAN_RGBA;
-
- COPY_4V(span->attrStart[FRAG_ATTRIB_COL0], ctx->Current.RasterColor);
- ASSIGN_4V(span->attrStepX[FRAG_ATTRIB_COL0], 0.0, 0.0, 0.0, 0.0);
- ASSIGN_4V(span->attrStepY[FRAG_ATTRIB_COL0], 0.0, 0.0, 0.0, 0.0);
- }
- else {
- span->index = FloatToFixed(ctx->Current.RasterIndex);
- span->indexStep = 0;
- span->interpMask |= SPAN_INDEX;
- }
+ span->redStep = 0;
+ span->greenStep = 0;
+ span->blueStep = 0;
+ span->alphaStep = 0;
+ span->interpMask |= SPAN_RGBA;
+
+ COPY_4V(span->attrStart[FRAG_ATTRIB_COL0], ctx->Current.RasterColor);
+ ASSIGN_4V(span->attrStepX[FRAG_ATTRIB_COL0], 0.0, 0.0, 0.0, 0.0);
+ ASSIGN_4V(span->attrStepY[FRAG_ATTRIB_COL0], 0.0, 0.0, 0.0, 0.0);
/* Secondary color */
- if (ctx->Visual.rgbMode && (ctx->Light.Enabled || ctx->Fog.ColorSumEnabled))
+ if (ctx->Light.Enabled || ctx->Fog.ColorSumEnabled)
{
COPY_4V(span->attrStart[FRAG_ATTRIB_COL1], ctx->Current.RasterSecondaryColor);
ASSIGN_4V(span->attrStepX[FRAG_ATTRIB_COL1], 0.0, 0.0, 0.0, 0.0);
* should have computed attrStart/Step values for FRAG_ATTRIB_WPOS[3]!
*/
static INLINE void
-interpolate_active_attribs(GLcontext *ctx, SWspan *span, GLbitfield attrMask)
+interpolate_active_attribs(struct gl_context *ctx, SWspan *span, GLbitfield attrMask)
{
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
* color array.
*/
static INLINE void
-interpolate_int_colors(GLcontext *ctx, SWspan *span)
+interpolate_int_colors(struct gl_context *ctx, SWspan *span)
{
const GLuint n = span->end;
GLuint i;
interpolate_active_attribs(ctx, span, FRAG_BIT_COL0);
break;
default:
- _mesa_problem(NULL, "bad datatype in interpolate_int_colors");
+ _mesa_problem(ctx, "bad datatype 0x%x in interpolate_int_colors",
+ span->array->ChanType);
}
span->arrayMask |= SPAN_RGBA;
}
-/* Fill in the span.color.index array from the interpolation values */
-static INLINE void
-interpolate_indexes(GLcontext *ctx, SWspan *span)
-{
- GLfixed index = span->index;
- const GLint indexStep = span->indexStep;
- const GLuint n = span->end;
- GLuint *indexes = span->array->index;
- GLuint i;
- (void) ctx;
-
- ASSERT(!(span->arrayMask & SPAN_INDEX));
-
- if ((span->interpMask & SPAN_FLAT) || (indexStep == 0)) {
- /* constant color */
- index = FixedToInt(index);
- for (i = 0; i < n; i++) {
- indexes[i] = index;
- }
- }
- else {
- /* interpolate */
- for (i = 0; i < n; i++) {
- indexes[i] = FixedToInt(index);
- index += indexStep;
- }
- }
- span->arrayMask |= SPAN_INDEX;
- span->interpMask &= ~SPAN_INDEX;
-}
-
-
/**
* Fill in the span.zArray array from the span->z, zStep values.
*/
void
-_swrast_span_interpolate_z( const GLcontext *ctx, SWspan *span )
+_swrast_span_interpolate_z( const struct gl_context *ctx, SWspan *span )
{
const GLuint n = span->end;
GLuint i;
* texels with (s/q, t/q, r/q).
*/
static void
-interpolate_texcoords(GLcontext *ctx, SWspan *span)
+interpolate_texcoords(struct gl_context *ctx, SWspan *span)
{
const GLuint maxUnit
= (ctx->Texture._EnabledCoordUnits > 1) ? ctx->Const.MaxTextureUnits : 1;
if (obj) {
const struct gl_texture_image *img = obj->Image[0][obj->BaseLevel];
- needLambda = (obj->MinFilter != obj->MagFilter)
+ needLambda = (obj->Sampler.MinFilter != obj->Sampler.MagFilter)
|| ctx->FragmentProgram._Current;
+ /* LOD is calculated directly in the ansiotropic filter, we can
+ * skip the normal lambda function as the result is ignored.
+ */
+ if (obj->Sampler.MaxAnisotropy > 1.0 &&
+ obj->Sampler.MinFilter == GL_LINEAR_MIPMAP_LINEAR) {
+ needLambda = GL_FALSE;
+ }
texW = img->WidthScale;
texH = img->HeightScale;
}
* Fill in the arrays->attribs[FRAG_ATTRIB_WPOS] array.
*/
static INLINE void
-interpolate_wpos(GLcontext *ctx, SWspan *span)
+interpolate_wpos(struct gl_context *ctx, SWspan *span)
{
GLfloat (*wpos)[4] = span->array->attribs[FRAG_ATTRIB_WPOS];
GLuint i;
* Apply the current polygon stipple pattern to a span of pixels.
*/
static INLINE void
-stipple_polygon_span(GLcontext *ctx, SWspan *span)
+stipple_polygon_span(struct gl_context *ctx, SWspan *span)
{
GLubyte *mask = span->array->mask;
* GL_FALSE nothing visible
*/
static INLINE GLuint
-clip_span( GLcontext *ctx, SWspan *span )
+clip_span( struct gl_context *ctx, SWspan *span )
{
const GLint xmin = ctx->DrawBuffer->_Xmin;
const GLint xmax = ctx->DrawBuffer->_Xmax;
* fragment attributes.
* For arrays of values, shift them left.
*/
+ for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
+ if (span->interpMask & (1 << i)) {
+ GLuint j;
+ for (j = 0; j < 4; j++) {
+ span->attrStart[i][j] += leftClip * span->attrStepX[i][j];
+ }
+ }
+ }
+
+ span->red += leftClip * span->redStep;
+ span->green += leftClip * span->greenStep;
+ span->blue += leftClip * span->blueStep;
+ span->alpha += leftClip * span->alphaStep;
+ span->index += leftClip * span->indexStep;
+ span->z += leftClip * span->zStep;
+ span->intTex[0] += leftClip * span->intTexStep[0];
+ span->intTex[1] += leftClip * span->intTexStep[1];
+
+#define SHIFT_ARRAY(ARRAY, SHIFT, LEN) \
+ memcpy(ARRAY, ARRAY + (SHIFT), (LEN) * sizeof(ARRAY[0]))
+
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));
+ SHIFT_ARRAY(span->array->attribs[i], leftClip, n - leftClip);
}
}
+ SHIFT_ARRAY(span->array->mask, leftClip, n - leftClip);
+ SHIFT_ARRAY(span->array->rgba8, leftClip, n - leftClip);
+ SHIFT_ARRAY(span->array->rgba16, leftClip, n - leftClip);
+ SHIFT_ARRAY(span->array->x, leftClip, n - leftClip);
+ SHIFT_ARRAY(span->array->y, leftClip, n - leftClip);
+ SHIFT_ARRAY(span->array->z, leftClip, n - leftClip);
+ SHIFT_ARRAY(span->array->index, leftClip, n - leftClip);
+ for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
+ SHIFT_ARRAY(span->array->lambda[i], leftClip, n - leftClip);
+ }
+ SHIFT_ARRAY(span->array->coverage, leftClip, n - leftClip);
+
+#undef SHIFT_ARRAY
+
span->leftClip = leftClip;
span->x = xmin;
span->end -= leftClip;
}
-/**
- * Apply all the per-fragment opertions to a span of color index fragments
- * and write them to the enabled color drawbuffers.
- * The 'span' parameter can be considered to be const. Note that
- * span->interpMask and span->arrayMask may be changed but will be restored
- * to their original values before returning.
- */
-void
-_swrast_write_index_span( GLcontext *ctx, SWspan *span)
-{
- const SWcontext *swrast = SWRAST_CONTEXT(ctx);
- const GLbitfield origInterpMask = span->interpMask;
- const GLbitfield origArrayMask = span->arrayMask;
- struct gl_framebuffer *fb = ctx->DrawBuffer;
-
- ASSERT(span->end <= MAX_WIDTH);
- ASSERT(span->primitive == GL_POINT || span->primitive == GL_LINE ||
- span->primitive == GL_POLYGON || span->primitive == GL_BITMAP);
- ASSERT((span->interpMask | span->arrayMask) & SPAN_INDEX);
- /*
- ASSERT((span->interpMask & span->arrayMask) == 0);
- */
-
- if (span->arrayMask & SPAN_MASK) {
- /* mask was initialized by caller, probably glBitmap */
- span->writeAll = GL_FALSE;
- }
- else {
- _mesa_memset(span->array->mask, 1, span->end);
- span->writeAll = GL_TRUE;
- }
-
- /* Clipping */
- if ((swrast->_RasterMask & CLIP_BIT) || (span->primitive != GL_POLYGON)) {
- if (!clip_span(ctx, span)) {
- return;
- }
- }
-
- 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)) {
- return;
- }
- }
-
-#ifdef DEBUG
- /* Make sure all fragments are within window bounds */
- if (span->arrayMask & SPAN_XY) {
- GLuint i;
- for (i = 0; i < span->end; i++) {
- if (span->array->mask[i]) {
- assert(span->array->x[i] >= fb->_Xmin);
- assert(span->array->x[i] < fb->_Xmax);
- assert(span->array->y[i] >= fb->_Ymin);
- assert(span->array->y[i] < fb->_Ymax);
- }
- }
- }
-#endif
-
- /* Polygon Stippling */
- if (ctx->Polygon.StippleFlag && span->primitive == GL_POLYGON) {
- stipple_polygon_span(ctx, span);
- }
-
- /* Stencil and Z testing */
- if (ctx->Stencil._Enabled || ctx->Depth.Test) {
- if (!(span->arrayMask & SPAN_Z))
- _swrast_span_interpolate_z(ctx, span);
-
- if (ctx->Transform.DepthClamp)
- _swrast_depth_clamp_span(ctx, span);
-
- if (ctx->Stencil._Enabled) {
- if (!_swrast_stencil_and_ztest_span(ctx, span)) {
- span->arrayMask = origArrayMask;
- return;
- }
- }
- else {
- ASSERT(ctx->Depth.Test);
- if (!_swrast_depth_test_span(ctx, span)) {
- span->interpMask = origInterpMask;
- span->arrayMask = origArrayMask;
- return;
- }
- }
- }
-
- if (ctx->Query.CurrentOcclusionObject) {
- /* update count of 'passed' fragments */
- struct gl_query_object *q = ctx->Query.CurrentOcclusionObject;
- GLuint i;
- for (i = 0; i < span->end; i++)
- q->Result += span->array->mask[i];
- }
-
- /* we have to wait until after occlusion to do this test */
- if (ctx->Color.IndexMask == 0) {
- /* write no pixels */
- span->arrayMask = origArrayMask;
- return;
- }
-
- /* Interpolate the color indexes if needed */
- if (swrast->_FogEnabled ||
- ctx->Color.IndexLogicOpEnabled ||
- ctx->Color.IndexMask != 0xffffffff ||
- (span->arrayMask & SPAN_COVERAGE)) {
- if (!(span->arrayMask & SPAN_INDEX) /*span->interpMask & SPAN_INDEX*/) {
- interpolate_indexes(ctx, span);
- }
- }
-
- /* Fog */
- if (swrast->_FogEnabled) {
- _swrast_fog_ci_span(ctx, span);
- }
-
- /* Antialias coverage application */
- if (span->arrayMask & SPAN_COVERAGE) {
- const GLfloat *coverage = span->array->coverage;
- GLuint *index = span->array->index;
- GLuint i;
- for (i = 0; i < span->end; i++) {
- ASSERT(coverage[i] < 16);
- index[i] = (index[i] & ~0xf) | ((GLuint) coverage[i]);
- }
- }
-
- /*
- * Write to renderbuffers
- */
- {
- const GLuint numBuffers = fb->_NumColorDrawBuffers;
- GLuint buf;
-
- for (buf = 0; buf < numBuffers; buf++) {
- struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[buf];
- GLuint indexSave[MAX_WIDTH];
-
- ASSERT(rb->_BaseFormat == GL_COLOR_INDEX);
-
- if (numBuffers > 1) {
- /* save indexes for second, third renderbuffer writes */
- _mesa_memcpy(indexSave, span->array->index,
- span->end * sizeof(indexSave[0]));
- }
-
- if (ctx->Color.IndexLogicOpEnabled) {
- _swrast_logicop_ci_span(ctx, rb, span);
- }
-
- if (ctx->Color.IndexMask != 0xffffffff) {
- _swrast_mask_ci_span(ctx, rb, span);
- }
-
- if (!(span->arrayMask & SPAN_INDEX) && span->indexStep == 0) {
- /* all fragments have same color index */
- GLubyte index8;
- GLushort index16;
- GLuint index32;
- void *value;
-
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- index8 = FixedToInt(span->index);
- value = &index8;
- }
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
- index16 = FixedToInt(span->index);
- value = &index16;
- }
- else {
- ASSERT(rb->DataType == GL_UNSIGNED_INT);
- index32 = FixedToInt(span->index);
- value = &index32;
- }
-
- if (span->arrayMask & SPAN_XY) {
- rb->PutMonoValues(ctx, rb, span->end, span->array->x,
- span->array->y, value, span->array->mask);
- }
- else {
- rb->PutMonoRow(ctx, rb, span->end, span->x, span->y,
- value, span->array->mask);
- }
- }
- else {
- /* each fragment is a different color */
- GLubyte index8[MAX_WIDTH];
- GLushort index16[MAX_WIDTH];
- void *values;
-
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- GLuint k;
- for (k = 0; k < span->end; k++) {
- index8[k] = (GLubyte) span->array->index[k];
- }
- values = index8;
- }
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
- GLuint k;
- for (k = 0; k < span->end; k++) {
- index16[k] = (GLushort) span->array->index[k];
- }
- values = index16;
- }
- else {
- ASSERT(rb->DataType == GL_UNSIGNED_INT);
- values = span->array->index;
- }
-
- if (span->arrayMask & SPAN_XY) {
- rb->PutValues(ctx, rb, span->end,
- span->array->x, span->array->y,
- values, span->array->mask);
- }
- else {
- rb->PutRow(ctx, rb, span->end, span->x, span->y,
- values, span->array->mask);
- }
- }
-
- if (buf + 1 < numBuffers) {
- /* restore original span values */
- _mesa_memcpy(span->array->index, indexSave,
- span->end * sizeof(indexSave[0]));
- }
- } /* for buf */
- }
-
- span->interpMask = origInterpMask;
- span->arrayMask = origArrayMask;
-}
-
-
/**
* Add specular colors to primary colors.
* Only called during fixed-function operation.
* Result is float color array (FRAG_ATTRIB_COL0).
*/
static INLINE void
-add_specular(GLcontext *ctx, SWspan *span)
+add_specular(struct gl_context *ctx, SWspan *span)
{
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
const GLubyte *mask = span->array->mask;
* Apply fragment shader, fragment program or normal texturing to span.
*/
static INLINE void
-shade_texture_span(GLcontext *ctx, SWspan *span)
+shade_texture_span(struct gl_context *ctx, SWspan *span)
{
- GLbitfield inputsRead;
-
- /* Determine which fragment attributes are actually needed */
- if (ctx->FragmentProgram._Current) {
- inputsRead = ctx->FragmentProgram._Current->Base.InputsRead;
- }
- else {
- /* XXX we could be a bit smarter about this */
- inputsRead = ~0;
- }
-
if (ctx->FragmentProgram._Current ||
ctx->ATIFragmentShader._Enabled) {
/* programmable shading */
if (span->primitive == GL_BITMAP && span->array->ChanType != GL_FLOAT) {
convert_color_type(span, GL_FLOAT, 0);
}
+ else {
+ span->array->rgba = (void *) span->array->attribs[FRAG_ATTRIB_COL0];
+ }
+
if (span->primitive != GL_POINT ||
(span->interpMask & SPAN_RGBA) ||
ctx->Point.PointSprite) {
* to their original values before returning.
*/
void
-_swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
+_swrast_write_rgba_span( struct gl_context *ctx, SWspan *span)
{
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
const GLuint *colorMask = (GLuint *) ctx->Color.ColorMask;
span->writeAll = GL_FALSE;
}
else {
- _mesa_memset(span->array->mask, 1, span->end);
+ memset(span->array->mask, 1, span->end);
span->writeAll = GL_TRUE;
}
GLchan rgbaSave[MAX_WIDTH][4];
const GLuint fragOutput = multiFragOutputs ? buf : 0;
+ /* set span->array->rgba to colors for render buffer's datatype */
if (rb->DataType != span->array->ChanType || fragOutput > 0) {
convert_color_type(span, rb->DataType, fragOutput);
}
+ else {
+ if (rb->DataType == GL_UNSIGNED_BYTE) {
+ span->array->rgba = span->array->rgba8;
+ }
+ else if (rb->DataType == GL_UNSIGNED_SHORT) {
+ span->array->rgba = (void *) span->array->rgba16;
+ }
+ else {
+ span->array->rgba = (void *)
+ span->array->attribs[FRAG_ATTRIB_COL0];
+ }
+ }
if (!multiFragOutputs && numBuffers > 1) {
/* save colors for second, third renderbuffer writes */
- _mesa_memcpy(rgbaSave, span->array->rgba,
- 4 * span->end * sizeof(GLchan));
+ memcpy(rgbaSave, span->array->rgba,
+ 4 * span->end * sizeof(GLchan));
}
- ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB);
+ ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB ||
+ rb->_BaseFormat == GL_ALPHA);
if (ctx->Color._LogicOpEnabled) {
_swrast_logicop_rgba_span(ctx, rb, span);
if (!multiFragOutputs && numBuffers > 1) {
/* restore original span values */
- _mesa_memcpy(span->array->rgba, rgbaSave,
- 4 * span->end * sizeof(GLchan));
+ memcpy(span->array->rgba, rgbaSave,
+ 4 * span->end * sizeof(GLchan));
}
} /* if rb */
* \param rgba the returned colors
*/
void
-_swrast_read_rgba_span( GLcontext *ctx, struct gl_renderbuffer *rb,
+_swrast_read_rgba_span( struct gl_context *ctx, struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y, GLenum dstType,
GLvoid *rgba)
{
if (y < 0 || y >= bufHeight || x + (GLint) n < 0 || x >= bufWidth) {
/* completely above, below, or right */
/* XXX maybe leave rgba values undefined? */
- _mesa_bzero(rgba, 4 * n * sizeof(GLchan));
+ memset(rgba, 0, 4 * n * sizeof(GLchan));
}
else {
GLint skip, length;
ASSERT(rb);
ASSERT(rb->GetRow);
- ASSERT(rb->_BaseFormat == GL_RGB || rb->_BaseFormat == GL_RGBA);
+ ASSERT(rb->_BaseFormat == GL_RGBA ||
+ rb->_BaseFormat == GL_RGB ||
+ rb->_BaseFormat == GL_RG ||
+ rb->_BaseFormat == GL_RED ||
+ rb->_BaseFormat == GL_LUMINANCE ||
+ rb->_BaseFormat == GL_INTENSITY ||
+ rb->_BaseFormat == GL_LUMINANCE_ALPHA ||
+ rb->_BaseFormat == GL_ALPHA);
if (rb->DataType == dstType) {
rb->GetRow(ctx, rb, length, x + skip, y,
}
-/**
- * Read CI pixels from a renderbuffer. Clipping will be done to prevent
- * reading ouside the buffer's boundaries.
- */
-void
-_swrast_read_index_span( GLcontext *ctx, struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y, GLuint index[] )
-{
- const GLint bufWidth = (GLint) rb->Width;
- const GLint bufHeight = (GLint) rb->Height;
-
- if (y < 0 || y >= bufHeight || x + (GLint) n < 0 || x >= bufWidth) {
- /* completely above, below, or right */
- _mesa_bzero(index, n * sizeof(GLuint));
- }
- else {
- GLint skip, length;
- if (x < 0) {
- /* left edge clipping */
- skip = -x;
- length = (GLint) n - skip;
- if (length < 0) {
- /* completely left of window */
- return;
- }
- if (length > bufWidth) {
- length = bufWidth;
- }
- }
- else if ((GLint) (x + n) > bufWidth) {
- /* right edge clipping */
- skip = 0;
- length = bufWidth - x;
- if (length < 0) {
- /* completely to right of window */
- return;
- }
- }
- else {
- /* no clipping */
- skip = 0;
- length = (GLint) n;
- }
-
- ASSERT(rb->GetRow);
- ASSERT(rb->_BaseFormat == GL_COLOR_INDEX);
-
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- GLubyte index8[MAX_WIDTH];
- GLint i;
- rb->GetRow(ctx, rb, length, x + skip, y, index8);
- for (i = 0; i < length; i++)
- index[skip + i] = index8[i];
- }
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
- GLushort index16[MAX_WIDTH];
- GLint i;
- rb->GetRow(ctx, rb, length, x + skip, y, index16);
- for (i = 0; i < length; i++)
- index[skip + i] = index16[i];
- }
- else if (rb->DataType == GL_UNSIGNED_INT) {
- rb->GetRow(ctx, rb, length, x + skip, y, index + skip);
- }
- }
-}
-
-
/**
* Wrapper for gl_renderbuffer::GetValues() which does clipping to avoid
* reading values outside the buffer bounds.
* values array.
*/
void
-_swrast_get_values(GLcontext *ctx, struct gl_renderbuffer *rb,
+_swrast_get_values(struct gl_context *ctx, struct gl_renderbuffer *rb,
GLuint count, const GLint x[], const GLint y[],
void *values, GLuint valueSize)
{
* \param valueSize size of each value (pixel) in bytes
*/
void
-_swrast_put_row(GLcontext *ctx, struct gl_renderbuffer *rb,
+_swrast_put_row(struct gl_context *ctx, struct gl_renderbuffer *rb,
GLuint count, GLint x, GLint y,
const GLvoid *values, GLuint valueSize)
{
* \param valueSize size of each value (pixel) in bytes
*/
void
-_swrast_get_row(GLcontext *ctx, struct gl_renderbuffer *rb,
+_swrast_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb,
GLuint count, GLint x, GLint y,
GLvoid *values, GLuint valueSize)
{
* \return pointer to the colors we read.
*/
void *
-_swrast_get_dest_rgba(GLcontext *ctx, struct gl_renderbuffer *rb,
+_swrast_get_dest_rgba(struct gl_context *ctx, struct gl_renderbuffer *rb,
SWspan *span)
{
const GLuint pixelSize = RGBA_PIXEL_SIZE(span->array->ChanType);
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