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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/texrender.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/main/texrender.c226
1 files changed, 0 insertions, 226 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/texrender.c b/nx-X11/extras/Mesa/src/mesa/main/texrender.c
deleted file mode 100644
index 92f3f7377..000000000
--- a/nx-X11/extras/Mesa/src/mesa/main/texrender.c
+++ /dev/null
@@ -1,226 +0,0 @@
-
-#include "context.h"
-#include "fbobject.h"
-#include "texrender.h"
-#include "renderbuffer.h"
-
-
-/*
- * Render-to-texture code for GL_EXT_framebuffer_object
- */
-
-
-/**
- * Derived from gl_renderbuffer class
- */
-struct texture_renderbuffer
-{
- struct gl_renderbuffer Base; /* Base class object */
- struct gl_texture_image *TexImage;
- StoreTexelFunc Store;
- GLint Zoffset;
-};
-
-
-
-static void
-texture_get_row(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
- GLint x, GLint y, void *values)
-{
- const struct texture_renderbuffer *trb
- = (const struct texture_renderbuffer *) rb;
- const GLint z = trb->Zoffset;
- GLchan *rgbaOut = (GLchan *) values;
- GLuint i;
- for (i = 0; i < count; i++) {
- trb->TexImage->FetchTexelc(trb->TexImage, x + i, y, z, rgbaOut + 4 * i);
- }
-}
-
-static void
-texture_get_values(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
- const GLint x[], const GLint y[], void *values)
-{
- const struct texture_renderbuffer *trb
- = (const struct texture_renderbuffer *) rb;
- const GLint z = trb->Zoffset;
- GLchan *rgbaOut = (GLchan *) values;
- GLuint i;
- for (i = 0; i < count; i++) {
- trb->TexImage->FetchTexelc(trb->TexImage, x[i], y[i], z,
- rgbaOut + 4 * i);
- }
-}
-
-static void
-texture_put_row(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
- GLint x, GLint y, const void *values, const GLubyte *mask)
-{
- const struct texture_renderbuffer *trb
- = (const struct texture_renderbuffer *) rb;
- const GLint z = trb->Zoffset;
- const GLchan *rgba = (const GLchan *) values;
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- trb->Store(trb->TexImage, x + i, y, z, rgba);
- }
- rgba += 4;
- }
-}
-
-static void
-texture_put_mono_row(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
- GLint x, GLint y, const void *value, const GLubyte *mask)
-{
- const struct texture_renderbuffer *trb
- = (const struct texture_renderbuffer *) rb;
- const GLint z = trb->Zoffset;
- const GLchan *rgba = (const GLchan *) value;
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- trb->Store(trb->TexImage, x + i, y, z, rgba);
- }
- }
-}
-
-static void
-texture_put_values(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
- const GLint x[], const GLint y[], const void *values,
- const GLubyte *mask)
-{
- const struct texture_renderbuffer *trb
- = (const struct texture_renderbuffer *) rb;
- const GLint z = trb->Zoffset;
- const GLchan *rgba = (const GLchan *) values;
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- trb->Store(trb->TexImage, x[i], y[i], z, rgba);
- }
- rgba += 4;
- }
-}
-
-static void
-texture_put_mono_values(GLcontext *ctx, struct gl_renderbuffer *rb,
- GLuint count, const GLint x[], const GLint y[],
- const void *value, const GLubyte *mask)
-{
- const struct texture_renderbuffer *trb
- = (const struct texture_renderbuffer *) rb;
- const GLint z = trb->Zoffset;
- const GLchan *rgba = (const GLchan *) value;
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- trb->Store(trb->TexImage, x[i], y[i], z, rgba);
- }
- }
-}
-
-
-static void
-delete_texture_wrapper(struct gl_renderbuffer *rb)
-{
- _mesa_free(rb);
-}
-
-
-/**
- * If a render buffer attachment specifies a texture image, we'll use
- * this function to make a gl_renderbuffer wrapper around the texture image.
- * This allows other parts of Mesa to access the texture image as if it
- * was a renderbuffer.
- */
-static void
-wrap_texture(GLcontext *ctx, struct gl_renderbuffer_attachment *att)
-{
- struct texture_renderbuffer *trb;
- const GLuint name = 0;
-
- ASSERT(att->Type == GL_TEXTURE);
- ASSERT(att->Renderbuffer == NULL);
- /*
- ASSERT(att->Complete);
- */
-
- trb = CALLOC_STRUCT(texture_renderbuffer);
- if (!trb) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "wrap_texture");
- return;
- }
-
- _mesa_init_renderbuffer(&trb->Base, name);
-
- trb->TexImage = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
- assert(trb->TexImage);
-
- trb->Store = trb->TexImage->TexFormat->StoreTexel;
- assert(trb->Store);
-
- trb->Zoffset = att->Zoffset;
-
- trb->Base.Width = trb->TexImage->Width;
- trb->Base.Height = trb->TexImage->Height;
- trb->Base.InternalFormat = trb->TexImage->IntFormat; /* XXX fix? */
- 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.DataType = GL_UNSIGNED_BYTE; /* XXX fix! */
- trb->Base.Data = trb->TexImage->Data;
-
- trb->Base.GetRow = texture_get_row;
- trb->Base.GetValues = texture_get_values;
- trb->Base.PutRow = texture_put_row;
- trb->Base.PutMonoRow = texture_put_mono_row;
- trb->Base.PutValues = texture_put_values;
- trb->Base.PutMonoValues = texture_put_mono_values;
-
- trb->Base.Delete = delete_texture_wrapper;
- trb->Base.AllocStorage = NULL; /* illegal! */
-
- /* XXX fix these */
- if (trb->Base._BaseFormat == GL_DEPTH_COMPONENT) {
- trb->Base.ComponentSizes[3] = trb->TexImage->TexFormat->DepthBits;
- }
- else {
- trb->Base.ComponentSizes[0] = trb->TexImage->TexFormat->RedBits;
- trb->Base.ComponentSizes[1] = trb->TexImage->TexFormat->GreenBits;
- trb->Base.ComponentSizes[2] = trb->TexImage->TexFormat->BlueBits;
- trb->Base.ComponentSizes[3] = trb->TexImage->TexFormat->AlphaBits;
- }
-
- att->Renderbuffer = &(trb->Base);
-}
-
-
-
-/**
- * Software fallback for ctx->Driver.RenderbufferTexture.
- * This is called via the glRenderbufferTexture1D/2D/3D() functions.
- * If we're unbinding a texture, texObj will be NULL.
- * The framebuffer of interest is ctx->DrawBuffer.
- * \sa _mesa_framebuffer_renderbuffer
- */
-void
-_mesa_renderbuffer_texture(GLcontext *ctx,
- struct gl_renderbuffer_attachment *att,
- struct gl_texture_object *texObj,
- GLenum texTarget, GLuint level, GLuint zoffset)
-{
- if (texObj) {
- _mesa_set_texture_attachment(ctx, att, texObj,
- texTarget, level, zoffset);
-
- wrap_texture(ctx, att);
- }
- else {
- _mesa_remove_attachment(ctx, att);
- }
-}
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