#include "context.h"
+#include "colormac.h"
#include "fbobject.h"
-#include "texformat.h"
+#include "macros.h"
+#include "texfetch.h"
+#include "teximage.h"
#include "texrender.h"
#include "renderbuffer.h"
struct gl_renderbuffer Base; /**< Base class object */
struct gl_texture_image *TexImage;
StoreTexelFunc Store;
+ FetchTexelFuncF Fetchf;
GLint Yoffset; /**< Layer for 1D array textures. */
GLint Zoffset; /**< Layer for 2D array textures, or slice
* for 3D textures
* Get row of values from the renderbuffer that wraps a texture image.
*/
static void
-texture_get_row(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+texture_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
GLint x, GLint y, void *values)
{
const struct texture_renderbuffer *trb
if (rb->DataType == CHAN_TYPE) {
GLchan *rgbaOut = (GLchan *) values;
for (i = 0; i < count; i++) {
- trb->TexImage->FetchTexelc(trb->TexImage, x + i, y, z, rgbaOut + 4 * i);
+ GLfloat rgba[4];
+ trb->Fetchf(trb->TexImage, x + i, y, z, rgba);
+ UNCLAMPED_FLOAT_TO_RGBA_CHAN(rgbaOut + 4 * i, rgba);
}
}
else if (rb->DataType == GL_UNSIGNED_SHORT) {
GLushort *zValues = (GLushort *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x + i, y, z, &flt);
+ trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
zValues[i] = (GLushort) (flt * 0xffff);
}
}
*/
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x + i, y, z, &flt);
+ trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
#if 0
/* this should work, but doesn't (overflow due to low precision) */
zValues[i] = (GLuint) (flt * scale);
GLuint *zValues = (GLuint *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x + i, y, z, &flt);
+ trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
zValues[i] = ((GLuint) (flt * 0xffffff)) << 8;
}
}
+ else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
+ GLuint *zValues = (GLuint *) values;
+ for (i = 0; i < count; i++) {
+ GLfloat flt;
+ trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
+ zValues[i] = (GLuint) (flt * 0xffffff);
+ }
+ }
else {
_mesa_problem(ctx, "invalid rb->DataType in texture_get_row");
}
static void
-texture_get_values(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+texture_get_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
const GLint x[], const GLint y[], void *values)
{
const struct texture_renderbuffer *trb
if (rb->DataType == CHAN_TYPE) {
GLchan *rgbaOut = (GLchan *) values;
for (i = 0; i < count; i++) {
- trb->TexImage->FetchTexelc(trb->TexImage, x[i], y[i] + trb->Yoffset,
- z, rgbaOut + 4 * i);
+ GLfloat rgba[4];
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ z, rgba);
+ UNCLAMPED_FLOAT_TO_RGBA_CHAN(rgbaOut + 4 * i, rgba);
}
}
else if (rb->DataType == GL_UNSIGNED_SHORT) {
GLushort *zValues = (GLushort *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
z, &flt);
zValues[i] = (GLushort) (flt * 0xffff);
}
GLuint *zValues = (GLuint *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
z, &flt);
#if 0
zValues[i] = (GLuint) (flt * 0xffffffff);
GLuint *zValues = (GLuint *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
z, &flt);
zValues[i] = ((GLuint) (flt * 0xffffff)) << 8;
}
}
+ else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
+ GLuint *zValues = (GLuint *) values;
+ for (i = 0; i < count; i++) {
+ GLfloat flt;
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ z, &flt);
+ zValues[i] = (GLuint) (flt * 0xffffff);
+ }
+ }
else {
_mesa_problem(ctx, "invalid rb->DataType in texture_get_values");
}
* Put row of values into a renderbuffer that wraps a texture image.
*/
static void
-texture_put_row(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+texture_put_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
GLint x, GLint y, const void *values, const GLubyte *mask)
{
const struct texture_renderbuffer *trb
}
}
}
+ else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
+ const GLuint *zValues = (const GLuint *) values;
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ GLfloat flt = (GLfloat) ((zValues[i] & 0xffffff) * (1.0 / 0xffffff));
+ trb->Store(trb->TexImage, x + i, y, z, &flt);
+ }
+ }
+ }
else {
_mesa_problem(ctx, "invalid rb->DataType in texture_put_row");
}
* Put row of RGB values into a renderbuffer that wraps a texture image.
*/
static void
-texture_put_row_rgb(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+texture_put_row_rgb(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
GLint x, GLint y, const void *values, const GLubyte *mask)
{
const struct texture_renderbuffer *trb
}
}
}
+ else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
+ const GLuint *zValues = (const GLuint *) values;
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ GLfloat flt = (GLfloat) ((zValues[i] & 0xffffff) * (1.0 / 0xffffff));
+ trb->Store(trb->TexImage, x + i, y, z, &flt);
+ }
+ }
+ }
else {
_mesa_problem(ctx, "invalid rb->DataType in texture_put_row");
}
static void
-texture_put_mono_row(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+texture_put_mono_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
GLint x, GLint y, const void *value, const GLubyte *mask)
{
const struct texture_renderbuffer *trb
}
}
}
+ else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
+ const GLuint zValue = *((const GLuint *) value);
+ const GLfloat flt = (GLfloat) ((zValue & 0xffffff) * (1.0 / 0xffffff));
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ trb->Store(trb->TexImage, x + i, y, z, &flt);
+ }
+ }
+ }
else {
_mesa_problem(ctx, "invalid rb->DataType in texture_put_mono_row");
}
static void
-texture_put_values(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
+texture_put_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
const GLint x[], const GLint y[], const void *values,
const GLubyte *mask)
{
}
}
}
+ else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
+ const GLuint *zValues = (const GLuint *) values;
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ GLfloat flt = (GLfloat) ((zValues[i] & 0xffffff) * (1.0 / 0xffffff));
+ trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, &flt);
+ }
+ }
+ }
else {
_mesa_problem(ctx, "invalid rb->DataType in texture_put_values");
}
static void
-texture_put_mono_values(GLcontext *ctx, struct gl_renderbuffer *rb,
+texture_put_mono_values(struct gl_context *ctx, struct gl_renderbuffer *rb,
GLuint count, const GLint x[], const GLint y[],
const void *value, const GLubyte *mask)
{
}
}
}
+ else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
+ const GLuint zValue = *((const GLuint *) value);
+ const GLfloat flt = (GLfloat) ((zValue & 0xffffff) * (1.0 / 0xffffff));
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, &flt);
+ }
+ }
+ }
else {
_mesa_problem(ctx, "invalid rb->DataType in texture_put_mono_values");
}
}
+static void
+store_nop(struct gl_texture_image *texImage,
+ GLint col, GLint row, GLint img,
+ const void *texel)
+{
+}
+
+
static void
delete_texture_wrapper(struct gl_renderbuffer *rb)
{
ASSERT(rb->RefCount == 0);
- _mesa_free(rb);
+ free(rb);
}
* This allows rendering into the texture as if it were a renderbuffer.
*/
static void
-wrap_texture(GLcontext *ctx, struct gl_renderbuffer_attachment *att)
+wrap_texture(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
{
struct texture_renderbuffer *trb;
const GLuint name = 0;
_mesa_reference_renderbuffer(&att->Renderbuffer, &(trb->Base));
}
-
-
/**
* Update the renderbuffer wrapper for rendering to a texture.
* For example, update the width, height of the RB based on the texture size,
* update the internal format info, etc.
*/
static void
-update_wrapper(GLcontext *ctx, const struct gl_renderbuffer_attachment *att)
+update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
{
struct texture_renderbuffer *trb
= (struct texture_renderbuffer *) att->Renderbuffer;
(void) ctx;
ASSERT(trb);
- trb->TexImage = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
+ trb->TexImage = _mesa_get_attachment_teximage(att);
ASSERT(trb->TexImage);
- trb->Store = trb->TexImage->TexFormat->StoreTexel;
- ASSERT(trb->Store);
+ trb->Store = _mesa_get_texel_store_func(trb->TexImage->TexFormat);
+ if (!trb->Store) {
+ /* we'll never draw into some textures (compressed formats) */
+ trb->Store = store_nop;
+ }
+
+ trb->Fetchf = trb->TexImage->FetchTexelf;
if (att->Texture->Target == GL_TEXTURE_1D_ARRAY_EXT) {
trb->Yoffset = att->Zoffset;
trb->Base.Width = trb->TexImage->Width;
trb->Base.Height = trb->TexImage->Height;
trb->Base.InternalFormat = trb->TexImage->InternalFormat;
+ trb->Base.Format = trb->TexImage->TexFormat;
+
/* XXX may need more special cases here */
- if (trb->TexImage->TexFormat->MesaFormat == MESA_FORMAT_Z24_S8) {
- trb->Base._ActualFormat = GL_DEPTH24_STENCIL8_EXT;
+ switch (trb->TexImage->TexFormat) {
+ case MESA_FORMAT_Z24_S8:
trb->Base.DataType = GL_UNSIGNED_INT_24_8_EXT;
- }
- else if (trb->TexImage->TexFormat->MesaFormat == MESA_FORMAT_Z16) {
- trb->Base._ActualFormat = GL_DEPTH_COMPONENT;
+ trb->Base._BaseFormat = GL_DEPTH_STENCIL;
+ break;
+ case MESA_FORMAT_S8_Z24:
+ trb->Base.DataType = GL_UNSIGNED_INT_8_24_REV_MESA;
+ trb->Base._BaseFormat = GL_DEPTH_STENCIL;
+ break;
+ case MESA_FORMAT_Z24_X8:
+ trb->Base.DataType = GL_UNSIGNED_INT_24_8_EXT;
+ trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
+ break;
+ case MESA_FORMAT_X8_Z24:
+ trb->Base.DataType = GL_UNSIGNED_INT_8_24_REV_MESA;
+ trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
+ break;
+ case MESA_FORMAT_Z16:
trb->Base.DataType = GL_UNSIGNED_SHORT;
- }
- else if (trb->TexImage->TexFormat->MesaFormat == MESA_FORMAT_Z32) {
- trb->Base._ActualFormat = GL_DEPTH_COMPONENT;
+ trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
+ break;
+ case MESA_FORMAT_Z32:
trb->Base.DataType = GL_UNSIGNED_INT;
- }
- else {
- trb->Base._ActualFormat = trb->TexImage->InternalFormat;
+ trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
+ break;
+ /* SRGB formats pre EXT_framebuffer_sRGB don't do sRGB translations on FBO readback */
+ case MESA_FORMAT_SRGB8:
+ trb->Fetchf = _mesa_get_texel_fetch_func(MESA_FORMAT_RGB888, _mesa_get_texture_dimensions(att->Texture->Target));
+ trb->Base.DataType = CHAN_TYPE;
+ trb->Base._BaseFormat = GL_RGBA;
+ break;
+ case MESA_FORMAT_SRGBA8:
+ trb->Fetchf = _mesa_get_texel_fetch_func(MESA_FORMAT_RGBA8888, _mesa_get_texture_dimensions(att->Texture->Target));
+ trb->Base.DataType = CHAN_TYPE;
+ trb->Base._BaseFormat = GL_RGBA;
+ break;
+ case MESA_FORMAT_SARGB8:
+ trb->Fetchf = _mesa_get_texel_fetch_func(MESA_FORMAT_ARGB8888, _mesa_get_texture_dimensions(att->Texture->Target));
trb->Base.DataType = CHAN_TYPE;
+ trb->Base._BaseFormat = GL_RGBA;
+ break;
+ default:
+ trb->Base.DataType = CHAN_TYPE;
+ trb->Base._BaseFormat = GL_RGBA;
}
- trb->Base._BaseFormat = trb->TexImage->TexFormat->BaseFormat;
-#if 0
- /* fix/avoid this assertion someday */
- ASSERT(trb->Base._BaseFormat == GL_RGB ||
- trb->Base._BaseFormat == GL_RGBA ||
- trb->Base._BaseFormat == GL_DEPTH_COMPONENT);
-#endif
trb->Base.Data = trb->TexImage->Data;
-
- trb->Base.RedBits = trb->TexImage->TexFormat->RedBits;
- trb->Base.GreenBits = trb->TexImage->TexFormat->GreenBits;
- trb->Base.BlueBits = trb->TexImage->TexFormat->BlueBits;
- trb->Base.AlphaBits = trb->TexImage->TexFormat->AlphaBits;
- trb->Base.DepthBits = trb->TexImage->TexFormat->DepthBits;
}
* \sa _mesa_framebuffer_renderbuffer
*/
void
-_mesa_render_texture(GLcontext *ctx,
+_mesa_render_texture(struct gl_context *ctx,
struct gl_framebuffer *fb,
struct gl_renderbuffer_attachment *att)
{
void
-_mesa_finish_render_texture(GLcontext *ctx,
+_mesa_finish_render_texture(struct gl_context *ctx,
struct gl_renderbuffer_attachment *att)
{
/* do nothing */
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