#include "glheader.h"
#include "imports.h"
#include "context.h"
+#include "fbobject.h"
+#include "formats.h"
#include "mtypes.h"
#include "fbobject.h"
#include "renderbuffer.h"
+#include "rbadaptors.h"
+
/* 32-bit color index format. Not a public format. */
#define COLOR_INDEX32 0x424243
if (!rb->Data)
return NULL;
ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
+ /* Can't assert rb->Format since these funcs may be used for serveral
+ * different formats (GL_ALPHA8, GL_STENCIL_INDEX8, etc).
+ */
return (GLubyte *) rb->Data + y * rb->Width + x;
}
{
const GLubyte *src = (const GLubyte *) rb->Data + y * rb->Width + x;
ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
- _mesa_memcpy(values, src, count * sizeof(GLubyte));
+ memcpy(values, src, count * sizeof(GLubyte));
}
{
GLubyte *dst = (GLubyte *) values;
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
for (i = 0; i < count; i++) {
const GLubyte *src = (GLubyte *) rb->Data + y[i] * rb->Width + x[i];
dst[i] = *src;
{
const GLubyte *src = (const GLubyte *) values;
GLubyte *dst = (GLubyte *) rb->Data + y * rb->Width + x;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
if (mask) {
GLuint i;
for (i = 0; i < count; i++) {
}
}
else {
- _mesa_memcpy(dst, values, count * sizeof(GLubyte));
+ memcpy(dst, values, count * sizeof(GLubyte));
}
}
{
const GLubyte val = *((const GLubyte *) value);
GLubyte *dst = (GLubyte *) rb->Data + y * rb->Width + x;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
if (mask) {
GLuint i;
for (i = 0; i < count; i++) {
{
const GLubyte *src = (const GLubyte *) values;
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
GLubyte *dst = (GLubyte *) rb->Data + y[i] * rb->Width + x[i];
{
const GLubyte val = *((const GLubyte *) value);
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
GLubyte *dst = (GLubyte *) rb->Data + y[i] * rb->Width + x[i];
{
const void *src = rb->GetPointer(ctx, rb, x, y);
ASSERT(rb->DataType == GL_UNSIGNED_SHORT);
- _mesa_memcpy(values, src, count * sizeof(GLushort));
+ memcpy(values, src, count * sizeof(GLushort));
}
}
}
else {
- _mesa_memcpy(dst, src, count * sizeof(GLushort));
+ memcpy(dst, src, count * sizeof(GLushort));
}
}
const void *src = rb->GetPointer(ctx, rb, x, y);
ASSERT(rb->DataType == GL_UNSIGNED_INT ||
rb->DataType == GL_UNSIGNED_INT_24_8_EXT);
- _mesa_memcpy(values, src, count * sizeof(GLuint));
+ memcpy(values, src, count * sizeof(GLuint));
}
}
}
else {
- _mesa_memcpy(dst, src, count * sizeof(GLuint));
+ memcpy(dst, src, count * sizeof(GLuint));
}
}
get_pointer_ubyte3(GLcontext *ctx, struct gl_renderbuffer *rb,
GLint x, GLint y)
{
+ ASSERT(rb->Format == MESA_FORMAT_RGB888);
/* No direct access since this buffer is RGB but caller will be
* treating it as if it were RGBA.
*/
const GLubyte *src = (const GLubyte *) rb->Data + 3 * (y * rb->Width + x);
GLubyte *dst = (GLubyte *) values;
GLuint i;
+ ASSERT(rb->Format == MESA_FORMAT_RGB888);
ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
for (i = 0; i < count; i++) {
dst[i * 4 + 0] = src[i * 3 + 0];
{
GLubyte *dst = (GLubyte *) values;
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGB888);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
for (i = 0; i < count; i++) {
const GLubyte *src
= (GLubyte *) rb->Data + 3 * (y[i] * rb->Width + x[i]);
const GLubyte *src = (const GLubyte *) values;
GLubyte *dst = (GLubyte *) rb->Data + 3 * (y * rb->Width + x);
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGB888);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
dst[i * 3 + 0] = src[i * 4 + 0];
const GLubyte *src = (const GLubyte *) values;
GLubyte *dst = (GLubyte *) rb->Data + 3 * (y * rb->Width + x);
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGB888);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
dst[i * 3 + 0] = src[i * 3 + 0];
const GLubyte val1 = ((const GLubyte *) value)[1];
const GLubyte val2 = ((const GLubyte *) value)[2];
GLubyte *dst = (GLubyte *) rb->Data + 3 * (y * rb->Width + x);
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGB888);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
if (!mask && val0 == val1 && val1 == val2) {
/* optimized case */
- _mesa_memset(dst, val0, 3 * count);
+ memset(dst, val0, 3 * count);
}
else {
GLuint i;
/* note: incoming values are RGB+A! */
const GLubyte *src = (const GLubyte *) values;
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGB888);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
GLubyte *dst = (GLubyte *) rb->Data + 3 * (y[i] * rb->Width + x[i]);
const GLubyte val1 = ((const GLubyte *) value)[1];
const GLubyte val2 = ((const GLubyte *) value)[2];
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGB888);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
GLubyte *dst = (GLubyte *) rb->Data + 3 * (y[i] * rb->Width + x[i]);
if (!rb->Data)
return NULL;
ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
return (GLubyte *) rb->Data + 4 * (y * rb->Width + x);
}
get_row_ubyte4(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
GLint x, GLint y, void *values)
{
- const GLbyte *src = (const GLbyte *) rb->Data + 4 * (y * rb->Width + x);
+ const GLubyte *src = (const GLubyte *) rb->Data + 4 * (y * rb->Width + x);
ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
- _mesa_memcpy(values, src, 4 * count * sizeof(GLbyte));
+ ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
+ memcpy(values, src, 4 * count * sizeof(GLubyte));
}
/* treat 4*GLubyte as 1*GLuint */
GLuint *dst = (GLuint *) values;
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
for (i = 0; i < count; i++) {
const GLuint *src = (GLuint *) rb->Data + (y[i] * rb->Width + x[i]);
dst[i] = *src;
/* treat 4*GLubyte as 1*GLuint */
const GLuint *src = (const GLuint *) values;
GLuint *dst = (GLuint *) rb->Data + (y * rb->Width + x);
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
if (mask) {
GLuint i;
for (i = 0; i < count; i++) {
}
}
else {
- _mesa_memcpy(dst, src, 4 * count * sizeof(GLubyte));
+ memcpy(dst, src, 4 * count * sizeof(GLubyte));
}
}
const GLubyte *src = (const GLubyte *) values;
GLubyte *dst = (GLubyte *) rb->Data + 4 * (y * rb->Width + x);
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
dst[i * 4 + 0] = src[i * 3 + 0];
/* treat 4*GLubyte as 1*GLuint */
const GLuint val = *((const GLuint *) value);
GLuint *dst = (GLuint *) rb->Data + (y * rb->Width + x);
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
if (!mask && val == 0) {
/* common case */
- _mesa_bzero(dst, count * 4 * sizeof(GLubyte));
+ memset(dst, 0, count * 4 * sizeof(GLubyte));
}
else {
/* general case */
/* treat 4*GLubyte as 1*GLuint */
const GLuint *src = (const GLuint *) values;
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
GLuint *dst = (GLuint *) rb->Data + (y[i] * rb->Width + x[i]);
/* treat 4*GLubyte as 1*GLuint */
const GLuint val = *((const GLuint *) value);
GLuint i;
- assert(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
+ ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
GLuint *dst = (GLuint *) rb->Data + (y[i] * rb->Width + x[i]);
{
const GLshort *src = (const GLshort *) rb->Data + 4 * (y * rb->Width + x);
ASSERT(rb->DataType == GL_UNSIGNED_SHORT || rb->DataType == GL_SHORT);
- _mesa_memcpy(values, src, 4 * count * sizeof(GLshort));
+ memcpy(values, src, 4 * count * sizeof(GLshort));
}
}
}
else {
- _mesa_memcpy(dst, src, 4 * count * sizeof(GLushort));
+ memcpy(dst, src, 4 * count * sizeof(GLushort));
}
}
}
}
else {
- _mesa_memcpy(dst, src, 4 * count * sizeof(GLushort));
+ memcpy(dst, src, 4 * count * sizeof(GLushort));
}
}
ASSERT(rb->DataType == GL_UNSIGNED_SHORT || rb->DataType == GL_SHORT);
if (!mask && val0 == 0 && val1 == 0 && val2 == 0 && val3 == 0) {
/* common case for clearing accum buffer */
- _mesa_bzero(dst, count * 4 * sizeof(GLushort));
+ memset(dst, 0, count * 4 * sizeof(GLushort));
}
else {
GLuint i;
* This function also plugs in the appropriate GetPointer, Get/PutRow and
* Get/PutValues functions.
*/
-static GLboolean
-soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
- GLenum internalFormat, GLuint width, GLuint height)
+GLboolean
+_mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat,
+ GLuint width, GLuint height)
{
GLuint pixelSize;
- /* first clear these fields */
- rb->RedBits =
- rb->GreenBits =
- rb->BlueBits =
- rb->AlphaBits =
- rb->IndexBits =
- rb->DepthBits =
- rb->StencilBits = 0;
-
switch (internalFormat) {
case GL_RGB:
case GL_R3_G3_B2:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
- rb->_BaseFormat = GL_RGB;
+ rb->Format = MESA_FORMAT_RGB888;
rb->DataType = GL_UNSIGNED_BYTE;
rb->GetPointer = get_pointer_ubyte3;
rb->GetRow = get_row_ubyte3;
rb->PutMonoRow = put_mono_row_ubyte3;
rb->PutValues = put_values_ubyte3;
rb->PutMonoValues = put_mono_values_ubyte3;
- rb->RedBits = 8 * sizeof(GLubyte);
- rb->GreenBits = 8 * sizeof(GLubyte);
- rb->BlueBits = 8 * sizeof(GLubyte);
- rb->AlphaBits = 0;
pixelSize = 3 * sizeof(GLubyte);
break;
case GL_RGBA:
case GL_RGBA4:
case GL_RGB5_A1:
case GL_RGBA8:
- rb->_BaseFormat = GL_RGBA;
+#if 1
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+#endif
+ rb->Format = MESA_FORMAT_RGBA8888;
rb->DataType = GL_UNSIGNED_BYTE;
rb->GetPointer = get_pointer_ubyte4;
rb->GetRow = get_row_ubyte4;
rb->PutMonoRow = put_mono_row_ubyte4;
rb->PutValues = put_values_ubyte4;
rb->PutMonoValues = put_mono_values_ubyte4;
- rb->RedBits = 8 * sizeof(GLubyte);
- rb->GreenBits = 8 * sizeof(GLubyte);
- rb->BlueBits = 8 * sizeof(GLubyte);
- rb->AlphaBits = 8 * sizeof(GLubyte);
pixelSize = 4 * sizeof(GLubyte);
break;
- case GL_RGB10_A2:
- case GL_RGBA12:
case GL_RGBA16:
- rb->_BaseFormat = GL_RGBA;
- rb->DataType = GL_UNSIGNED_SHORT;
+ /* for accum buffer */
+ rb->Format = MESA_FORMAT_SIGNED_RGBA_16;
+ rb->DataType = GL_SHORT;
rb->GetPointer = get_pointer_ushort4;
rb->GetRow = get_row_ushort4;
rb->GetValues = get_values_ushort4;
rb->PutMonoRow = put_mono_row_ushort4;
rb->PutValues = put_values_ushort4;
rb->PutMonoValues = put_mono_values_ushort4;
- rb->RedBits = 8 * sizeof(GLushort);
- rb->GreenBits = 8 * sizeof(GLushort);
- rb->BlueBits = 8 * sizeof(GLushort);
- rb->AlphaBits = 8 * sizeof(GLushort);
pixelSize = 4 * sizeof(GLushort);
break;
-#if 00
- case ALPHA8:
- rb->_BaseFormat = GL_RGBA; /* Yes, not GL_ALPHA! */
+#if 0
+ case GL_ALPHA8:
+ rb->Format = MESA_FORMAT_A8;
rb->DataType = GL_UNSIGNED_BYTE;
rb->GetPointer = get_pointer_alpha8;
rb->GetRow = get_row_alpha8;
rb->PutMonoRow = put_mono_row_alpha8;
rb->PutValues = put_values_alpha8;
rb->PutMonoValues = put_mono_values_alpha8;
- rb->RedBits = 0; /*red*/
- rb->GreenBits = 0; /*green*/
- rb->BlueBits = 0; /*blue*/
- rb->AlphaBits = 8 * sizeof(GLubyte);
pixelSize = sizeof(GLubyte);
break;
#endif
case GL_STENCIL_INDEX1_EXT:
case GL_STENCIL_INDEX4_EXT:
case GL_STENCIL_INDEX8_EXT:
- rb->_BaseFormat = GL_STENCIL_INDEX;
+ case GL_STENCIL_INDEX16_EXT:
+ rb->Format = MESA_FORMAT_S8;
rb->DataType = GL_UNSIGNED_BYTE;
rb->GetPointer = get_pointer_ubyte;
rb->GetRow = get_row_ubyte;
rb->PutMonoRow = put_mono_row_ubyte;
rb->PutValues = put_values_ubyte;
rb->PutMonoValues = put_mono_values_ubyte;
- rb->StencilBits = 8 * sizeof(GLubyte);
pixelSize = sizeof(GLubyte);
break;
- case GL_STENCIL_INDEX16_EXT:
- rb->_BaseFormat = GL_STENCIL_INDEX;
- rb->DataType = GL_UNSIGNED_SHORT;
- rb->GetPointer = get_pointer_ushort;
- rb->GetRow = get_row_ushort;
- rb->GetValues = get_values_ushort;
- rb->PutRow = put_row_ushort;
- rb->PutRowRGB = NULL;
- rb->PutMonoRow = put_mono_row_ushort;
- rb->PutValues = put_values_ushort;
- rb->PutMonoValues = put_mono_values_ushort;
- rb->StencilBits = 8 * sizeof(GLushort);
- pixelSize = sizeof(GLushort);
- break;
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT16:
- rb->_BaseFormat = GL_DEPTH_COMPONENT;
+ rb->Format = MESA_FORMAT_Z16;
rb->DataType = GL_UNSIGNED_SHORT;
rb->GetPointer = get_pointer_ushort;
rb->GetRow = get_row_ushort;
rb->PutMonoRow = put_mono_row_ushort;
rb->PutValues = put_values_ushort;
rb->PutMonoValues = put_mono_values_ushort;
- rb->DepthBits = 8 * sizeof(GLushort);
pixelSize = sizeof(GLushort);
break;
case GL_DEPTH_COMPONENT24:
+ rb->DataType = GL_UNSIGNED_INT;
+ rb->GetPointer = get_pointer_uint;
+ rb->GetRow = get_row_uint;
+ rb->GetValues = get_values_uint;
+ rb->PutRow = put_row_uint;
+ rb->PutRowRGB = NULL;
+ rb->PutMonoRow = put_mono_row_uint;
+ rb->PutValues = put_values_uint;
+ rb->PutMonoValues = put_mono_values_uint;
+ rb->Format = MESA_FORMAT_X8_Z24;
+ pixelSize = sizeof(GLuint);
+ break;
case GL_DEPTH_COMPONENT32:
- rb->_BaseFormat = GL_DEPTH_COMPONENT;
rb->DataType = GL_UNSIGNED_INT;
rb->GetPointer = get_pointer_uint;
rb->GetRow = get_row_uint;
rb->PutMonoRow = put_mono_row_uint;
rb->PutValues = put_values_uint;
rb->PutMonoValues = put_mono_values_uint;
- if (internalFormat == GL_DEPTH_COMPONENT24)
- rb->DepthBits = 24;
- else
- rb->DepthBits = 32;
+ rb->Format = MESA_FORMAT_Z32;
pixelSize = sizeof(GLuint);
break;
case GL_DEPTH_STENCIL_EXT:
case GL_DEPTH24_STENCIL8_EXT:
- rb->_BaseFormat = GL_DEPTH_STENCIL_EXT;
+ rb->Format = MESA_FORMAT_Z24_S8;
rb->DataType = GL_UNSIGNED_INT_24_8_EXT;
rb->GetPointer = get_pointer_uint;
rb->GetRow = get_row_uint;
rb->PutMonoRow = put_mono_row_uint;
rb->PutValues = put_values_uint;
rb->PutMonoValues = put_mono_values_uint;
- rb->DepthBits = 24;
- rb->StencilBits = 8;
pixelSize = sizeof(GLuint);
break;
case GL_COLOR_INDEX8_EXT:
- rb->_BaseFormat = GL_COLOR_INDEX;
+ case GL_COLOR_INDEX16_EXT:
+ case COLOR_INDEX32:
+ rb->Format = MESA_FORMAT_CI8;
rb->DataType = GL_UNSIGNED_BYTE;
rb->GetPointer = get_pointer_ubyte;
rb->GetRow = get_row_ubyte;
rb->PutMonoRow = put_mono_row_ubyte;
rb->PutValues = put_values_ubyte;
rb->PutMonoValues = put_mono_values_ubyte;
- rb->IndexBits = 8 * sizeof(GLubyte);
pixelSize = sizeof(GLubyte);
break;
- case GL_COLOR_INDEX16_EXT:
- rb->_BaseFormat = GL_COLOR_INDEX;
- rb->DataType = GL_UNSIGNED_SHORT;
- rb->GetPointer = get_pointer_ushort;
- rb->GetRow = get_row_ushort;
- rb->GetValues = get_values_ushort;
- rb->PutRow = put_row_ushort;
- rb->PutRowRGB = NULL;
- rb->PutMonoRow = put_mono_row_ushort;
- rb->PutValues = put_values_ushort;
- rb->PutMonoValues = put_mono_values_ushort;
- rb->IndexBits = 8 * sizeof(GLushort);
- pixelSize = sizeof(GLushort);
- break;
- case COLOR_INDEX32:
- rb->_BaseFormat = GL_COLOR_INDEX;
- rb->DataType = GL_UNSIGNED_INT;
- rb->GetPointer = get_pointer_uint;
- rb->GetRow = get_row_uint;
- rb->GetValues = get_values_uint;
- rb->PutRow = put_row_uint;
- rb->PutRowRGB = NULL;
- rb->PutMonoRow = put_mono_row_uint;
- rb->PutValues = put_values_uint;
- rb->PutMonoValues = put_mono_values_uint;
- rb->IndexBits = 8 * sizeof(GLuint);
- pixelSize = sizeof(GLuint);
- break;
default:
- _mesa_problem(ctx, "Bad internalFormat in soft_renderbuffer_storage");
+ _mesa_problem(ctx, "Bad internalFormat in _mesa_soft_renderbuffer_storage");
return GL_FALSE;
}
ASSERT(rb->PutMonoValues);
/* free old buffer storage */
- if (rb->Data)
- _mesa_free(rb->Data);
-
- /* allocate new buffer storage */
- rb->Data = _mesa_malloc(width * height * pixelSize);
- if (rb->Data == NULL) {
- rb->Width = 0;
- rb->Height = 0;
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "software renderbuffer allocation (%d x %d x %d)",
- width, height, pixelSize);
- return GL_FALSE;
+ if (rb->Data) {
+ free(rb->Data);
+ rb->Data = NULL;
+ }
+
+ if (width > 0 && height > 0) {
+ /* allocate new buffer storage */
+ rb->Data = malloc(width * height * pixelSize);
+
+ if (rb->Data == NULL) {
+ rb->Width = 0;
+ rb->Height = 0;
+ _mesa_error(ctx, GL_OUT_OF_MEMORY,
+ "software renderbuffer allocation (%d x %d x %d)",
+ width, height, pixelSize);
+ return GL_FALSE;
+ }
}
rb->Width = width;
rb->Height = height;
- rb->InternalFormat = internalFormat;
+ rb->_BaseFormat = _mesa_base_fbo_format(ctx, internalFormat);
+ ASSERT(rb->_BaseFormat);
return GL_TRUE;
}
GLenum internalFormat, GLuint width, GLuint height)
{
ASSERT(arb != arb->Wrapped);
+ ASSERT(arb->Format == MESA_FORMAT_A8);
/* first, pass the call to the wrapped RGB buffer */
if (!arb->Wrapped->AllocStorage(ctx, arb->Wrapped, internalFormat,
/* next, resize my alpha buffer */
if (arb->Data) {
- _mesa_free(arb->Data);
+ free(arb->Data);
}
- arb->Data = _mesa_malloc(width * height * sizeof(GLubyte));
+ arb->Data = malloc(width * height * sizeof(GLubyte));
if (arb->Data == NULL) {
arb->Width = 0;
arb->Height = 0;
arb->Width = width;
arb->Height = height;
- arb->InternalFormat = internalFormat;
return GL_TRUE;
}
delete_renderbuffer_alpha8(struct gl_renderbuffer *arb)
{
if (arb->Data) {
- _mesa_free(arb->Data);
+ free(arb->Data);
}
ASSERT(arb->Wrapped);
ASSERT(arb != arb->Wrapped);
arb->Wrapped->Delete(arb->Wrapped);
arb->Wrapped = NULL;
- _mesa_free(arb);
+ free(arb);
}
}
}
else {
- _mesa_memset(dst, val, count);
+ memset(dst, val, count);
}
}
}
+static void
+copy_buffer_alpha8(struct gl_renderbuffer* dst, struct gl_renderbuffer* src)
+{
+ ASSERT(dst->Format == MESA_FORMAT_A8);
+ ASSERT(src->Format == MESA_FORMAT_A8);
+ ASSERT(dst->Width == src->Width);
+ ASSERT(dst->Height == src->Height);
+
+ memcpy(dst->Data, src->Data, dst->Width * dst->Height * sizeof(GLubyte));
+}
+
/**********************************************************************/
/**********************************************************************/
void
_mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name)
{
+ _glthread_INIT_MUTEX(rb->Mutex);
+
+ rb->Magic = RB_MAGIC;
+ rb->ClassID = 0;
rb->Name = name;
- rb->RefCount = 1;
+ rb->RefCount = 0;
rb->Delete = _mesa_delete_renderbuffer;
/* The rest of these should be set later by the caller of this function or
rb->Width = 0;
rb->Height = 0;
rb->InternalFormat = GL_NONE;
- rb->_BaseFormat = GL_NONE;
+ rb->Format = MESA_FORMAT_NONE;
+
rb->DataType = GL_NONE;
- rb->RedBits = rb->GreenBits = rb->BlueBits = rb->AlphaBits = 0;
- rb->IndexBits = 0;
- rb->DepthBits = 0;
- rb->StencilBits = 0;
rb->Data = NULL;
/* Point back to ourself so that we don't have to check for Wrapped==NULL
/**
* Delete a gl_framebuffer.
- * This is the default function for framebuffer->Delete().
+ * This is the default function for renderbuffer->Delete().
*/
void
_mesa_delete_renderbuffer(struct gl_renderbuffer *rb)
{
if (rb->Data) {
- _mesa_free(rb->Data);
+ free(rb->Data);
}
- _mesa_free(rb);
+ free(rb);
}
{
struct gl_renderbuffer *rb = _mesa_new_renderbuffer(ctx, name);
if (rb) {
- rb->AllocStorage = soft_renderbuffer_storage;
+ rb->AllocStorage = _mesa_soft_renderbuffer_storage;
/* Normally, one would setup the PutRow, GetRow, etc functions here.
- * But we're doing that in the soft_renderbuffer_storage() function
+ * But we're doing that in the _mesa_soft_renderbuffer_storage() function
* instead.
*/
}
if (rgbBits <= 8) {
if (alphaBits)
- rb->InternalFormat = GL_RGBA8;
+ rb->Format = MESA_FORMAT_RGBA8888;
else
- rb->InternalFormat = GL_RGB8;
+ rb->Format = MESA_FORMAT_RGB888;
}
else {
assert(rgbBits <= 16);
- if (alphaBits)
- rb->InternalFormat = GL_RGBA16;
- else
- rb->InternalFormat = GL_RGBA16; /* don't really have RGB16 yet */
+ rb->Format = MESA_FORMAT_NONE; /*XXX RGBA16;*/
}
+ rb->InternalFormat = GL_RGBA;
- rb->AllocStorage = soft_renderbuffer_storage;
- _mesa_add_renderbuffer(fb, b, rb);
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Add software-based color index renderbuffers to the given framebuffer.
- * This is a helper routine for device drivers when creating a
- * window system framebuffer (not a user-created render/framebuffer).
- * Once this function is called, you can basically forget about this
- * renderbuffer; core Mesa will handle all the buffer management and
- * rendering!
- */
-GLboolean
-_mesa_add_color_index_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb,
- GLuint indexBits,
- GLboolean frontLeft, GLboolean backLeft,
- GLboolean frontRight, GLboolean backRight)
-{
- GLuint b;
-
- if (indexBits > 8) {
- _mesa_problem(ctx,
- "Unsupported bit depth in _mesa_add_color_index_renderbuffers");
- return GL_FALSE;
- }
-
- assert(MAX_COLOR_ATTACHMENTS >= 4);
-
- for (b = BUFFER_FRONT_LEFT; b <= BUFFER_BACK_RIGHT; b++) {
- struct gl_renderbuffer *rb;
-
- if (b == BUFFER_FRONT_LEFT && !frontLeft)
- continue;
- else if (b == BUFFER_BACK_LEFT && !backLeft)
- continue;
- else if (b == BUFFER_FRONT_RIGHT && !frontRight)
- continue;
- else if (b == BUFFER_BACK_RIGHT && !backRight)
- continue;
-
- assert(fb->Attachment[b].Renderbuffer == NULL);
-
- rb = _mesa_new_renderbuffer(ctx, 0);
- if (!rb) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "Allocating color buffer");
- return GL_FALSE;
- }
-
- if (indexBits <= 8) {
- /* only support GLuint for now */
- /*rb->InternalFormat = GL_COLOR_INDEX8_EXT;*/
- rb->InternalFormat = COLOR_INDEX32;
- }
- else {
- rb->InternalFormat = COLOR_INDEX32;
- }
- rb->AllocStorage = soft_renderbuffer_storage;
+ rb->AllocStorage = _mesa_soft_renderbuffer_storage;
_mesa_add_renderbuffer(fb, b, rb);
}
* values.
*/
arb->InternalFormat = arb->Wrapped->InternalFormat;
- arb->_BaseFormat = arb->Wrapped->_BaseFormat;
+ arb->Format = MESA_FORMAT_A8;
arb->DataType = arb->Wrapped->DataType;
arb->AllocStorage = alloc_storage_alpha8;
arb->Delete = delete_renderbuffer_alpha8;
}
+/**
+ * For framebuffers that use a software alpha channel wrapper
+ * created by _mesa_add_alpha_renderbuffer or _mesa_add_soft_renderbuffers,
+ * copy the back buffer alpha channel into the front buffer alpha channel.
+ */
+void
+_mesa_copy_soft_alpha_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb)
+{
+ if (fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer &&
+ fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer)
+ copy_buffer_alpha8(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer,
+ fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer);
+
+
+ if (fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer &&
+ fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer)
+ copy_buffer_alpha8(fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer,
+ fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer);
+}
+
+
/**
* Add a software-based depth renderbuffer to the given framebuffer.
* This is a helper routine for device drivers when creating a
}
if (depthBits <= 16) {
+ rb->Format = MESA_FORMAT_Z16;
rb->InternalFormat = GL_DEPTH_COMPONENT16;
}
else if (depthBits <= 24) {
+ rb->Format = MESA_FORMAT_X8_Z24;
rb->InternalFormat = GL_DEPTH_COMPONENT24;
}
else {
+ rb->Format = MESA_FORMAT_Z32;
rb->InternalFormat = GL_DEPTH_COMPONENT32;
}
- rb->AllocStorage = soft_renderbuffer_storage;
+ rb->AllocStorage = _mesa_soft_renderbuffer_storage;
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, rb);
return GL_TRUE;
return GL_FALSE;
}
- if (stencilBits <= 8) {
- rb->InternalFormat = GL_STENCIL_INDEX8_EXT;
- }
- else {
- /* not really supported (see s_stencil.c code) */
- rb->InternalFormat = GL_STENCIL_INDEX16_EXT;
- }
+ assert(stencilBits <= 8);
+ rb->Format = MESA_FORMAT_S8;
+ rb->InternalFormat = GL_STENCIL_INDEX8;
- rb->AllocStorage = soft_renderbuffer_storage;
+ rb->AllocStorage = _mesa_soft_renderbuffer_storage;
_mesa_add_renderbuffer(fb, BUFFER_STENCIL, rb);
return GL_TRUE;
return GL_FALSE;
}
+ rb->Format = MESA_FORMAT_SIGNED_RGBA_16;
rb->InternalFormat = GL_RGBA16;
- rb->AllocStorage = soft_renderbuffer_storage;
+ rb->AllocStorage = _mesa_soft_renderbuffer_storage;
_mesa_add_renderbuffer(fb, BUFFER_ACCUM, rb);
return GL_TRUE;
return GL_FALSE;
}
- assert(numBuffers < MAX_AUX_BUFFERS);
+ assert(numBuffers <= MAX_AUX_BUFFERS);
for (i = 0; i < numBuffers; i++) {
struct gl_renderbuffer *rb = _mesa_new_renderbuffer(ctx, 0);
return GL_FALSE;
}
- if (colorBits <= 8) {
- rb->InternalFormat = GL_RGBA8;
- }
- else {
- rb->InternalFormat = GL_RGBA16;
- }
+ assert (colorBits <= 8);
+ rb->Format = MESA_FORMAT_RGBA8888;
+ rb->InternalFormat = GL_RGBA;
- rb->AllocStorage = soft_renderbuffer_storage;
+ rb->AllocStorage = _mesa_soft_renderbuffer_storage;
_mesa_add_renderbuffer(fb, BUFFER_AUX0 + i, rb);
}
return GL_TRUE;
GLboolean backRight = fb->Visual.stereoMode && fb->Visual.doubleBufferMode;
if (color) {
- if (fb->Visual.rgbMode) {
- assert(fb->Visual.redBits == fb->Visual.greenBits);
- assert(fb->Visual.redBits == fb->Visual.blueBits);
- _mesa_add_color_renderbuffers(NULL, fb,
- fb->Visual.redBits,
- fb->Visual.alphaBits,
- frontLeft, backLeft,
- frontRight, backRight);
- }
- else {
- _mesa_add_color_index_renderbuffers(NULL, fb,
- fb->Visual.indexBits,
- frontLeft, backLeft,
- frontRight, backRight);
- }
+ assert(fb->Visual.redBits == fb->Visual.greenBits);
+ assert(fb->Visual.redBits == fb->Visual.blueBits);
+ _mesa_add_color_renderbuffers(NULL, fb,
+ fb->Visual.redBits,
+ fb->Visual.alphaBits,
+ frontLeft, backLeft,
+ frontRight, backRight);
}
if (depth) {
}
if (accum) {
- assert(fb->Visual.rgbMode);
assert(fb->Visual.accumRedBits > 0);
assert(fb->Visual.accumGreenBits > 0);
assert(fb->Visual.accumBlueBits > 0);
}
if (aux) {
- assert(fb->Visual.rgbMode);
assert(fb->Visual.numAuxBuffers > 0);
_mesa_add_aux_renderbuffers(NULL, fb, fb->Visual.redBits,
fb->Visual.numAuxBuffers);
}
if (alpha) {
- assert(fb->Visual.rgbMode);
assert(fb->Visual.alphaBits > 0);
_mesa_add_alpha_renderbuffers(NULL, fb, fb->Visual.alphaBits,
frontLeft, backLeft,
_mesa_add_renderbuffer(struct gl_framebuffer *fb,
GLuint bufferName, struct gl_renderbuffer *rb)
{
+ GLenum baseFormat;
+
assert(fb);
assert(rb);
-#if 00
- /* there should be no previous renderbuffer on this attachment point! */
- assert(fb->Attachment[bufferName].Renderbuffer == NULL);
-#endif
assert(bufferName < BUFFER_COUNT);
+ /* There should be no previous renderbuffer on this attachment point,
+ * with the exception of depth/stencil since the same renderbuffer may
+ * be used for both.
+ */
+ assert(bufferName == BUFFER_DEPTH ||
+ bufferName == BUFFER_STENCIL ||
+ fb->Attachment[bufferName].Renderbuffer == NULL);
+
/* winsys vs. user-created buffer cross check */
if (fb->Name) {
assert(rb->Name);
assert(!rb->Name);
}
+ /* If Mesa's compiled with deep color channels (16 or 32 bits / channel)
+ * and the device driver is expecting 8-bit values (GLubyte), we can
+ * use a "renderbuffer adaptor/wrapper" to do the necessary conversions.
+ */
+ baseFormat = _mesa_get_format_base_format(rb->Format);
+ if (baseFormat == GL_RGBA) {
+ if (CHAN_BITS == 16 && rb->DataType == GL_UNSIGNED_BYTE) {
+ GET_CURRENT_CONTEXT(ctx);
+ rb = _mesa_new_renderbuffer_16wrap8(ctx, rb);
+ }
+ else if (CHAN_BITS == 32 && rb->DataType == GL_UNSIGNED_BYTE) {
+ GET_CURRENT_CONTEXT(ctx);
+ rb = _mesa_new_renderbuffer_32wrap8(ctx, rb);
+ }
+ else if (CHAN_BITS == 32 && rb->DataType == GL_UNSIGNED_SHORT) {
+ GET_CURRENT_CONTEXT(ctx);
+ rb = _mesa_new_renderbuffer_32wrap16(ctx, rb);
+ }
+ }
+
fb->Attachment[bufferName].Type = GL_RENDERBUFFER_EXT;
fb->Attachment[bufferName].Complete = GL_TRUE;
- fb->Attachment[bufferName].Renderbuffer = rb;
+ _mesa_reference_renderbuffer(&fb->Attachment[bufferName].Renderbuffer, rb);
+}
+
+
+/**
+ * Remove the named renderbuffer from the given framebuffer.
+ */
+void
+_mesa_remove_renderbuffer(struct gl_framebuffer *fb, GLuint bufferName)
+{
+ struct gl_renderbuffer *rb;
+
+ assert(bufferName < BUFFER_COUNT);
+
+ rb = fb->Attachment[bufferName].Renderbuffer;
+ if (!rb)
+ return;
+
+ _mesa_reference_renderbuffer(&rb, NULL);
+
+ fb->Attachment[bufferName].Renderbuffer = NULL;
+}
+
+
+/**
+ * Set *ptr to point to rb. If *ptr points to another renderbuffer,
+ * dereference that buffer first. The new renderbuffer's refcount will
+ * be incremented. The old renderbuffer's refcount will be decremented.
+ */
+void
+_mesa_reference_renderbuffer(struct gl_renderbuffer **ptr,
+ struct gl_renderbuffer *rb)
+{
+ assert(ptr);
+ if (*ptr == rb) {
+ /* no change */
+ return;
+ }
+
+ if (*ptr) {
+ /* Unreference the old renderbuffer */
+ GLboolean deleteFlag = GL_FALSE;
+ struct gl_renderbuffer *oldRb = *ptr;
+
+ assert(oldRb->Magic == RB_MAGIC);
+ _glthread_LOCK_MUTEX(oldRb->Mutex);
+ assert(oldRb->Magic == RB_MAGIC);
+ ASSERT(oldRb->RefCount > 0);
+ oldRb->RefCount--;
+ /*printf("RB DECR %p (%d) to %d\n", (void*) oldRb, oldRb->Name, oldRb->RefCount);*/
+ deleteFlag = (oldRb->RefCount == 0);
+ _glthread_UNLOCK_MUTEX(oldRb->Mutex);
+
+ if (deleteFlag) {
+ oldRb->Magic = 0; /* now invalid memory! */
+ oldRb->Delete(oldRb);
+ }
+
+ *ptr = NULL;
+ }
+ assert(!*ptr);
+
+ if (rb) {
+ assert(rb->Magic == RB_MAGIC);
+ /* reference new renderbuffer */
+ _glthread_LOCK_MUTEX(rb->Mutex);
+ rb->RefCount++;
+ /*printf("RB INCR %p (%d) to %d\n", (void*) rb, rb->Name, rb->RefCount);*/
+ _glthread_UNLOCK_MUTEX(rb->Mutex);
+ *ptr = rb;
+ }
}
/* init fields not covered by _mesa_new_renderbuffer() */
dsrb->InternalFormat = GL_DEPTH24_STENCIL8_EXT;
- dsrb->AllocStorage = soft_renderbuffer_storage;
+ dsrb->Format = MESA_FORMAT_Z24_S8;
+ dsrb->AllocStorage = _mesa_soft_renderbuffer_storage;
return dsrb;
}
-
projects / mesa.git / blobdiff