*/
static const struct st_tracked_state *atoms[] =
{
- &st_update_framebuffer,
&st_update_depth_stencil_alpha,
&st_update_clip,
+ &st_finalize_textures,
&st_update_shader,
&st_update_rasterizer,
&st_update_blend,
&st_update_sampler,
&st_update_texture,
+ &st_update_framebuffer,
&st_update_vs_constants,
&st_update_fs_constants,
&st_update_pixel_transfer
extern const struct st_tracked_state st_update_blend;
extern const struct st_tracked_state st_update_sampler;
extern const struct st_tracked_state st_update_texture;
+extern const struct st_tracked_state st_finalize_textures;
extern const struct st_tracked_state st_update_fs_constants;
extern const struct st_tracked_state st_update_vs_constants;
extern const struct st_tracked_state st_update_pixel_transfer;
#include "st_context.h"
#include "st_atom.h"
#include "st_cb_fbo.h"
+#include "st_texture.h"
#include "pipe/p_context.h"
+#include "pipe/p_inlines.h"
#include "cso_cache/cso_context.h"
+
+/**
+ * When doing GL render to texture, we have to be sure that finalize_texture()
+ * didn't yank out the pipe_texture that we earlier created a surface for.
+ * Check for that here and create a new surface if needed.
+ */
+static void
+update_renderbuffer_surface(struct st_context *st,
+ struct st_renderbuffer *strb)
+{
+ struct pipe_screen *screen = st->pipe->screen;
+ struct pipe_texture *texture = strb->rtt->pt;
+ int rtt_width = strb->Base.Width;
+ int rtt_height = strb->Base.Height;
+
+ if (!strb->surface ||
+ strb->surface->texture != texture ||
+ strb->surface->width != rtt_width ||
+ strb->surface->height != rtt_height) {
+ int level;
+ /* find matching mipmap level size */
+ for (level = 0; level <= texture->last_level; level++) {
+ if (texture->width[level] == rtt_width &&
+ texture->height[level] == rtt_height) {
+
+ pipe_surface_reference(&strb->surface, NULL);
+
+ strb->surface = screen->get_tex_surface(screen,
+ texture,
+ strb->rtt_face,
+ level,
+ strb->rtt_slice,
+ PIPE_BUFFER_USAGE_GPU_READ |
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+#if 0
+ printf("-- alloc new surface %d x %d into tex %p\n",
+ strb->surface->width, strb->surface->height,
+ texture);
+#endif
+ break;
+ }
+ }
+ }
+}
+
+
/**
* Update framebuffer state (color, depth, stencil, etc. buffers)
- * XXX someday: separate draw/read buffers.
*/
static void
update_framebuffer_state( struct st_context *st )
framebuffer->width = fb->Width;
framebuffer->height = fb->Height;
+ /*printf("------ fb size %d x %d\n", fb->Width, fb->Height);*/
+
/* Examine Mesa's ctx->DrawBuffer->_ColorDrawBuffers state
* to determine which surfaces to draw to
*/
for (j = 0; j < MAX_DRAW_BUFFERS; j++) {
for (i = 0; i < fb->_NumColorDrawBuffers[j]; i++) {
strb = st_renderbuffer(fb->_ColorDrawBuffers[j][i]);
+
+ /*printf("--------- framebuffer surface rtt %p\n", strb->rtt);*/
+ if (strb->rtt) {
+ /* rendering to a GL texture, may have to update surface */
+ update_renderbuffer_surface(st, strb);
+ }
+
assert(strb->surface);
framebuffer->cbufs[framebuffer->num_cbufs] = strb->surface;
framebuffer->num_cbufs++;
"st_update_framebuffer", /* name */
{ /* dirty */
_NEW_BUFFERS, /* mesa */
- 0, /* st */
+ ST_NEW_FRAMEBUFFER, /* st */
},
update_framebuffer_state /* update */
};
#include "pipe/p_context.h"
#include "pipe/p_shader_tokens.h"
+#include "util/u_simple_shaders.h"
+
#include "cso_cache/cso_context.h"
#include "st_context.h"
}
+static void *
+get_passthrough_fs(struct st_context *st)
+{
+ struct pipe_shader_state shader;
+
+ if (!st->passthrough_fs) {
+ st->passthrough_fs =
+ util_make_fragment_passthrough_shader(st->pipe, &shader);
+ free((void *) shader.tokens);
+ }
+
+ return st->passthrough_fs;
+}
+
static void
update_linkage( struct st_context *st )
st_reference_fragprog(st, &st->fp, stfp);
cso_set_vertex_shader_handle(st->cso_context, stvp->driver_shader);
- cso_set_fragment_shader_handle(st->cso_context, stfp->driver_shader);
+
+ if (st->missing_textures) {
+ /* use a pass-through frag shader that uses no textures */
+ void *fs = get_passthrough_fs(st);
+ cso_set_fragment_shader_handle(st->cso_context, fs);
+ }
+ else {
+ cso_set_fragment_shader_handle(st->cso_context, stfp->driver_shader);
+ }
st->vertex_result_to_slot = xvp->output_to_slot;
}
#include "pipe/p_context.h"
#include "pipe/p_inlines.h"
#include "cso_cache/cso_context.h"
-#include "util/u_simple_shaders.h"
-static void *
-get_passthrough_fs(struct st_context *st)
-{
- struct pipe_shader_state shader;
-
- if (!st->passthrough_fs) {
- st->passthrough_fs =
- util_make_fragment_passthrough_shader(st->pipe, &shader);
- free((void *) shader.tokens);
- }
-
- return st->passthrough_fs;
-}
-
-
-/**
- * XXX This needs some work yet....
- * Need to "upload" texture images at appropriate times.
- */
static void
update_textures(struct st_context *st)
{
struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
GLuint su;
- GLboolean missing_textures = GL_FALSE;
st->state.num_textures = 0;
retval = st_finalize_texture(st->ctx, st->pipe, texObj, &flush);
if (!retval) {
/* out of mem */
- missing_textures = GL_TRUE;
+ /* missing texture */
continue;
}
st->state.num_textures = su + 1;
-
- stObj->teximage_realloc = TRUE;
}
pt = st_get_stobj_texture(stObj);
cso_set_sampler_textures(st->cso_context,
st->state.num_textures,
st->state.sampler_texture);
-
- if (missing_textures) {
- /* use a pass-through frag shader that uses no textures */
- void *fs = get_passthrough_fs(st);
- cso_set_fragment_shader_handle(st->cso_context, fs);
- }
}
},
update_textures /* update */
};
+
+
+
+
+static void
+finalize_textures(struct st_context *st)
+{
+ struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
+ const GLboolean prev_missing_textures = st->missing_textures;
+ GLuint su;
+
+ st->missing_textures = GL_FALSE;
+
+ for (su = 0; su < st->ctx->Const.MaxTextureCoordUnits; su++) {
+ if (fprog->Base.SamplersUsed & (1 << su)) {
+ const GLuint texUnit = fprog->Base.SamplerUnits[su];
+ struct gl_texture_object *texObj
+ = st->ctx->Texture.Unit[texUnit]._Current;
+ struct st_texture_object *stObj = st_texture_object(texObj);
+
+ if (texObj) {
+ GLboolean flush, retval;
+
+ retval = st_finalize_texture(st->ctx, st->pipe, texObj, &flush);
+ if (!retval) {
+ /* out of mem */
+ st->missing_textures = GL_TRUE;
+ continue;
+ }
+
+ stObj->teximage_realloc = TRUE;
+ }
+ }
+ }
+
+ if (prev_missing_textures != st->missing_textures)
+ st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
+}
+
+
+
+const struct st_tracked_state st_finalize_textures = {
+ "st_finalize_textures", /* name */
+ { /* dirty */
+ _NEW_TEXTURE, /* mesa */
+ 0, /* st */
+ },
+ finalize_textures /* update */
+};
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct pipe_texture *pt;
+ struct st_texture_object *stObj;
+ const struct gl_texture_image *texImage =
+ att->Texture->Image[att->CubeMapFace][att->TextureLevel];
+
assert(!att->Renderbuffer);
strb = st_renderbuffer(rb);
/* get the texture for the texture object */
+ stObj = st_texture_object(att->Texture);
+
+ /* point renderbuffer at texobject */
+ strb->rtt = stObj;
+ strb->rtt_level = att->TextureLevel;
+ strb->rtt_face = att->CubeMapFace;
+ strb->rtt_slice = att->Zoffset;
+
+ rb->Width = texImage->Width2;
+ rb->Height = texImage->Height2;
+ /*printf("***** render to texture level %d: %d x %d\n", att->TextureLevel, rb->Width, rb->Height);*/
+
pt = st_get_texobj_texture(att->Texture);
assert(pt);
- assert(pt->width[att->TextureLevel]);
-
- rb->Width = pt->width[att->TextureLevel];
- rb->Height = pt->height[att->TextureLevel];
+ /*printf("***** pipe texture %d x %d\n", pt->width[0], pt->height[0]);*/
pipe_texture_reference( &strb->texture, pt );
+ pipe_surface_reference(&strb->surface, NULL);
+
+#if 0
/* the renderbuffer's surface is inside the texture */
strb->surface = screen->get_tex_surface(screen, pt,
att->CubeMapFace,
- att->TextureLevel,
+ att->TextureLevel /*- att->Texture->BaseLevel*/,
att->Zoffset,
PIPE_BUFFER_USAGE_GPU_READ |
PIPE_BUFFER_USAGE_GPU_WRITE);
+ printf("***** surface size: %d x %d\n", strb->surface->width, strb->surface->height);
+
assert(strb->surface);
assert(screen->is_format_supported(screen, strb->surface->format, PIPE_TEXTURE));
assert(screen->is_format_supported(screen, strb->surface->format, PIPE_SURFACE));
init_renderbuffer_bits(strb, pt->format);
+#endif
/*
printf("RENDER TO TEXTURE obj=%p pt=%p surf=%p %d x %d\n",
ctx->st->pipe->flush(ctx->st->pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
- screen->tex_surface_release( screen, &strb->surface );
+ if (strb->surface)
+ screen->tex_surface_release( screen, &strb->surface );
+
+ strb->rtt = NULL;
/*
printf("FINISH RENDER TO TEXTURE surf=%p\n", strb->surface);
struct pipe_texture *texture;
struct pipe_surface *surface; /* temporary view into texture */
enum pipe_format format; /** preferred format, or PIPE_FORMAT_NONE */
+
+ struct st_texture_object *rtt; /**< GL render to texture's texture */
+ int rtt_level, rtt_face, rtt_slice;
};
struct gl_pixelstore_attrib clippedPacking = *pack;
struct pipe_surface *surf;
+ assert(ctx->ReadBuffer->Width > 0);
+
/* XXX convolution not done yet */
assert((transferOps & IMAGE_CONVOLUTION_BIT) == 0);
stObj->pt->cpp != cpp ||
stObj->pt->compressed != firstImage->base.IsCompressed) {
pipe_texture_release(&stObj->pt);
+ ctx->st->dirty.st |= ST_NEW_FRAMEBUFFER;
}
}
#define ST_NEW_MESA 0x1 /* Mesa state has changed */
#define ST_NEW_FRAGMENT_PROGRAM 0x2
#define ST_NEW_VERTEX_PROGRAM 0x4
+#define ST_NEW_FRAMEBUFFER 0x8
struct st_state_flags {
struct st_state_flags dirty;
+ GLboolean missing_textures;
+
GLfloat polygon_offset_scale; /* ?? */
/** Mapping from VERT_RESULT_x to post-transformed vertex slot */
assert(src->width[srcLevel] == width);
assert(src->height[srcLevel] == height);
+#if 0
+ {
+ src_surface = screen->get_tex_surface(screen, src, face, srcLevel, i,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ ubyte *map = screen->surface_map(screen, src_surface, PIPE_BUFFER_USAGE_CPU_READ);
+ map += src_surface->width * src_surface->height * 4 / 2;
+ printf("%s center pixel: %d %d %d %d (pt %p[%d] -> %p[%d])\n",
+ __FUNCTION__,
+ map[0], map[1], map[2], map[3],
+ src, srcLevel, dst, dstLevel);
+
+ screen->surface_unmap(screen, src_surface);
+ pipe_surface_reference(&src_surface, NULL);
+ }
+#endif
+
dst_surface = screen->get_tex_surface(screen, dst, face, dstLevel, i,
PIPE_BUFFER_USAGE_GPU_WRITE);
projects / mesa.git / commitdiff