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Diffstat (limited to 'mesalib/src/mesa/drivers/dri/swrast/swrast.c')
-rw-r--r--mesalib/src/mesa/drivers/dri/swrast/swrast.c365
1 files changed, 219 insertions, 146 deletions
diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast.c b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
index 03c672ecf..ff53ffd0d 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/swrast.c
+++ b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2008 George Sapountzis <gsap7@yahoo.gr>
+ * Copyright 2008, 2010 George Sapountzis <gsapountzis@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -47,6 +47,11 @@
#include "drivers/common/meta.h"
#include "utils.h"
+#include "main/teximage.h"
+#include "main/texfetch.h"
+#include "main/texformat.h"
+#include "main/texstate.h"
+
#include "swrast_priv.h"
@@ -54,18 +59,62 @@
* Screen and config-related functions
*/
-static void
-setupLoaderExtensions(__DRIscreen *psp,
- const __DRIextension **extensions)
+static void swrastSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
+ GLint texture_format, __DRIdrawable *dPriv)
{
- int i;
+ struct dri_context *dri_ctx;
+ int x, y, w, h;
+ __DRIscreen *sPriv = dPriv->driScreenPriv;
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ uint32_t internalFormat;
- for (i = 0; extensions[i]; i++) {
- if (strcmp(extensions[i]->name, __DRI_SWRAST_LOADER) == 0)
- psp->swrast_loader = (__DRIswrastLoaderExtension *) extensions[i];
- }
+ dri_ctx = pDRICtx->driverPrivate;
+
+ internalFormat = (texture_format == __DRI_TEXTURE_FORMAT_RGB ? 3 : 4);
+
+ texUnit = _mesa_get_current_tex_unit(&dri_ctx->Base);
+ texObj = _mesa_select_tex_object(&dri_ctx->Base, texUnit, target);
+ texImage = _mesa_get_tex_image(&dri_ctx->Base, texObj, target, 0);
+
+ _mesa_lock_texture(&dri_ctx->Base, texObj);
+
+ sPriv->swrast_loader->getDrawableInfo(dPriv, &x, &y, &w, &h, dPriv->loaderPrivate);
+
+ _mesa_init_teximage_fields(&dri_ctx->Base, target, texImage,
+ w, h, 1, 0, internalFormat);
+
+ if (texture_format == __DRI_TEXTURE_FORMAT_RGB)
+ texImage->TexFormat = MESA_FORMAT_XRGB8888;
+ else
+ texImage->TexFormat = MESA_FORMAT_ARGB8888;
+
+ _mesa_set_fetch_functions(texImage, 2);
+
+ sPriv->swrast_loader->getImage(dPriv, x, y, w, h, (char *)texImage->Data,
+ dPriv->loaderPrivate);
+
+ _mesa_unlock_texture(&dri_ctx->Base, texObj);
}
+static void swrastSetTexBuffer(__DRIcontext *pDRICtx, GLint target,
+ __DRIdrawable *dPriv)
+{
+ swrastSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
+}
+
+static const __DRItexBufferExtension swrastTexBufferExtension = {
+ { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
+ swrastSetTexBuffer,
+ swrastSetTexBuffer2,
+};
+
+static const __DRIextension *dri_screen_extensions[] = {
+ &swrastTexBufferExtension.base,
+ NULL
+};
+
static __DRIconfig **
swrastFillInModes(__DRIscreen *psp,
unsigned pixel_bits, unsigned depth_bits,
@@ -143,26 +192,14 @@ swrastFillInModes(__DRIscreen *psp,
return configs;
}
-static __DRIscreen *
-driCreateNewScreen(int scrn, const __DRIextension **extensions,
- const __DRIconfig ***driver_configs, void *data)
+static const __DRIconfig **
+dri_init_screen(__DRIscreen * psp)
{
- static const __DRIextension *emptyExtensionList[] = { NULL };
- __DRIscreen *psp;
__DRIconfig **configs8, **configs16, **configs24, **configs32;
- (void) data;
-
TRACE;
- psp = calloc(1, sizeof(*psp));
- if (!psp)
- return NULL;
-
- setupLoaderExtensions(psp, extensions);
-
- psp->num = scrn;
- psp->extensions = emptyExtensionList;
+ psp->extensions = dri_screen_extensions;
configs8 = swrastFillInModes(psp, 8, 8, 0, 1);
configs16 = swrastFillInModes(psp, 16, 16, 0, 1);
@@ -171,28 +208,15 @@ driCreateNewScreen(int scrn, const __DRIextension **extensions,
configs16 = driConcatConfigs(configs8, configs16);
configs24 = driConcatConfigs(configs16, configs24);
- *driver_configs = (const __DRIconfig **)
- driConcatConfigs(configs24, configs32);
-
- driInitExtensions( NULL, NULL, GL_FALSE );
-
- return psp;
-}
+ configs32 = driConcatConfigs(configs24, configs32);
-static void driDestroyScreen(__DRIscreen *psp)
-{
- TRACE;
-
- if (psp) {
- free(psp);
- }
+ return (const __DRIconfig **)configs32;
}
-static const __DRIextension **driGetExtensions(__DRIscreen *psp)
+static void
+dri_destroy_screen(__DRIscreen * sPriv)
{
TRACE;
-
- return psp->extensions;
}
@@ -239,12 +263,20 @@ swrast_delete_renderbuffer(struct gl_renderbuffer *rb)
free(rb);
}
+/* see bytes_per_line in libGL */
+static INLINE int
+bytes_per_line(unsigned pitch_bits, unsigned mul)
+{
+ unsigned mask = mul - 1;
+
+ return ((pitch_bits + mask) & ~mask) / 8;
+}
+
static GLboolean
swrast_alloc_front_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
GLenum internalFormat, GLuint width, GLuint height)
{
struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
- unsigned mask = PITCH_ALIGN_BITS - 1;
TRACE;
@@ -252,8 +284,7 @@ swrast_alloc_front_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
rb->Width = width;
rb->Height = height;
- /* always pad to PITCH_ALIGN_BITS */
- xrb->pitch = ((width * xrb->bpp + mask) & ~mask) / 8;
+ xrb->pitch = bytes_per_line(width * xrb->bpp, 32);
return GL_TRUE;
}
@@ -336,94 +367,118 @@ swrast_new_renderbuffer(const GLvisual *visual, GLboolean front)
return xrb;
}
-static __DRIdrawable *
-driCreateNewDrawable(__DRIscreen *screen,
- const __DRIconfig *config, void *data)
+static GLboolean
+dri_create_buffer(__DRIscreen * sPriv,
+ __DRIdrawable * dPriv,
+ const __GLcontextModes * visual, GLboolean isPixmap)
{
- __DRIdrawable *buf;
+ struct dri_drawable *drawable = NULL;
+ GLframebuffer *fb;
struct swrast_renderbuffer *frontrb, *backrb;
TRACE;
- buf = calloc(1, sizeof *buf);
- if (!buf)
- return NULL;
+ drawable = CALLOC_STRUCT(dri_drawable);
+ if (drawable == NULL)
+ goto drawable_fail;
- buf->loaderPrivate = data;
+ dPriv->driverPrivate = drawable;
+ drawable->dPriv = dPriv;
- buf->driScreenPriv = screen;
+ drawable->row = malloc(MAX_WIDTH * 4);
+ if (drawable->row == NULL)
+ goto drawable_fail;
- buf->row = malloc(MAX_WIDTH * 4);
+ fb = &drawable->Base;
/* basic framebuffer setup */
- _mesa_initialize_window_framebuffer(&buf->Base, &config->modes);
+ _mesa_initialize_window_framebuffer(fb, visual);
/* add front renderbuffer */
- frontrb = swrast_new_renderbuffer(&config->modes, GL_TRUE);
- _mesa_add_renderbuffer(&buf->Base, BUFFER_FRONT_LEFT, &frontrb->Base);
+ frontrb = swrast_new_renderbuffer(visual, GL_TRUE);
+ _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontrb->Base);
/* add back renderbuffer */
- if (config->modes.doubleBufferMode) {
- backrb = swrast_new_renderbuffer(&config->modes, GL_FALSE);
- _mesa_add_renderbuffer(&buf->Base, BUFFER_BACK_LEFT, &backrb->Base);
+ if (visual->doubleBufferMode) {
+ backrb = swrast_new_renderbuffer(visual, GL_FALSE);
+ _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backrb->Base);
}
/* add software renderbuffers */
- _mesa_add_soft_renderbuffers(&buf->Base,
+ _mesa_add_soft_renderbuffers(fb,
GL_FALSE, /* color */
- config->modes.haveDepthBuffer,
- config->modes.haveStencilBuffer,
- config->modes.haveAccumBuffer,
+ visual->haveDepthBuffer,
+ visual->haveStencilBuffer,
+ visual->haveAccumBuffer,
GL_FALSE, /* alpha */
GL_FALSE /* aux bufs */);
- return buf;
+ return GL_TRUE;
+
+drawable_fail:
+
+ if (drawable)
+ free(drawable->row);
+
+ FREE(drawable);
+
+ return GL_FALSE;
}
static void
-driDestroyDrawable(__DRIdrawable *buf)
+dri_destroy_buffer(__DRIdrawable * dPriv)
{
TRACE;
- if (buf) {
- struct gl_framebuffer *fb = &buf->Base;
+ if (dPriv) {
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ GLframebuffer *fb;
- free(buf->row);
+ free(drawable->row);
+
+ fb = &drawable->Base;
fb->DeletePending = GL_TRUE;
_mesa_reference_framebuffer(&fb, NULL);
}
}
-static void driSwapBuffers(__DRIdrawable *buf)
+static void
+dri_swap_buffers(__DRIdrawable * dPriv)
{
- GET_CURRENT_CONTEXT(ctx);
+ __DRIscreen *sPriv = dPriv->driScreenPriv;
- struct swrast_renderbuffer *frontrb =
- swrast_renderbuffer(buf->Base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
- struct swrast_renderbuffer *backrb =
- swrast_renderbuffer(buf->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer);
+ GET_CURRENT_CONTEXT(ctx);
- __DRIscreen *screen = buf->driScreenPriv;
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ GLframebuffer *fb;
+ struct swrast_renderbuffer *frontrb, *backrb;
TRACE;
+ fb = &drawable->Base;
+
+ frontrb =
+ swrast_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
+ backrb =
+ swrast_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer);
+
/* check for signle-buffered */
if (backrb == NULL)
return;
/* check if swapping currently bound buffer */
- if (ctx && ctx->DrawBuffer == &(buf->Base)) {
+ if (ctx && ctx->DrawBuffer == fb) {
/* flush pending rendering */
_mesa_notifySwapBuffers(ctx);
}
- screen->swrast_loader->putImage(buf, __DRI_SWRAST_IMAGE_OP_SWAP,
- 0, 0,
- frontrb->Base.Width,
- frontrb->Base.Height,
- backrb->Base.Data,
- buf->loaderPrivate);
+ sPriv->swrast_loader->putImage(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP,
+ 0, 0,
+ frontrb->Base.Width,
+ frontrb->Base.Height,
+ backrb->Base.Data,
+ dPriv->loaderPrivate);
}
@@ -434,13 +489,13 @@ static void driSwapBuffers(__DRIdrawable *buf)
static void
get_window_size( GLframebuffer *fb, GLsizei *w, GLsizei *h )
{
- __DRIdrawable *buf = swrast_drawable(fb);
- __DRIscreen *screen = buf->driScreenPriv;
+ __DRIdrawable *dPriv = swrast_drawable(fb)->dPriv;
+ __DRIscreen *sPriv = dPriv->driScreenPriv;
int x, y;
- screen->swrast_loader->getDrawableInfo(buf,
- &x, &y, w, h,
- buf->loaderPrivate);
+ sPriv->swrast_loader->getDrawableInfo(dPriv,
+ &x, &y, w, h,
+ dPriv->loaderPrivate);
}
static void
@@ -488,6 +543,16 @@ viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
swrast_check_and_update_window_size(ctx, read);
}
+static gl_format swrastChooseTextureFormat(GLcontext * ctx,
+ GLint internalFormat,
+ GLenum format,
+ GLenum type)
+{
+ if (internalFormat == GL_RGB)
+ return MESA_FORMAT_XRGB8888;
+ return _mesa_choose_tex_format(ctx, internalFormat, format, type);
+}
+
static void
swrast_init_driver_functions(struct dd_function_table *driver)
{
@@ -495,6 +560,7 @@ swrast_init_driver_functions(struct dd_function_table *driver)
driver->UpdateState = update_state;
driver->GetBufferSize = NULL;
driver->Viewport = viewport;
+ driver->ChooseTextureFormat = swrastChooseTextureFormat;
}
@@ -502,37 +568,41 @@ swrast_init_driver_functions(struct dd_function_table *driver)
* Context-related functions.
*/
-static __DRIcontext *
-driCreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
- __DRIcontext *shared, void *data)
+static GLboolean
+dri_create_context(gl_api api,
+ const __GLcontextModes * visual,
+ __DRIcontext * cPriv, void *sharedContextPrivate)
{
- __DRIcontext *ctx;
- GLcontext *mesaCtx;
+ struct dri_context *ctx = NULL;
+ struct dri_context *share = (struct dri_context *)sharedContextPrivate;
+ GLcontext *mesaCtx = NULL;
+ GLcontext *sharedCtx = NULL;
struct dd_function_table functions;
TRACE;
- ctx = calloc(1, sizeof *ctx);
- if (!ctx)
- return NULL;
-
- ctx->loaderPrivate = data;
+ ctx = CALLOC_STRUCT(dri_context);
+ if (ctx == NULL)
+ goto context_fail;
- ctx->driScreenPriv = screen;
+ cPriv->driverPrivate = ctx;
+ ctx->cPriv = cPriv;
/* build table of device driver functions */
_mesa_init_driver_functions(&functions);
swrast_init_driver_functions(&functions);
- if (!_mesa_initialize_context(&ctx->Base, &config->modes,
- shared ? &shared->Base : NULL,
- &functions, (void *) ctx)) {
- free(ctx);
- return NULL;
+ if (share) {
+ sharedCtx = &share->Base;
}
mesaCtx = &ctx->Base;
+ /* basic context setup */
+ if (!_mesa_initialize_context(mesaCtx, visual, sharedCtx, &functions, (void *) cPriv)) {
+ goto context_fail;
+ }
+
/* do bounds checking to prevent segfaults and server crashes! */
mesaCtx->Const.CheckArrayBounds = GL_TRUE;
@@ -558,17 +628,28 @@ driCreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
_mesa_meta_init(mesaCtx);
- return ctx;
+ driInitExtensions( mesaCtx, NULL, GL_FALSE );
+
+ return GL_TRUE;
+
+context_fail:
+
+ FREE(ctx);
+
+ return GL_FALSE;
}
static void
-driDestroyContext(__DRIcontext *ctx)
+dri_destroy_context(__DRIcontext * cPriv)
{
- GLcontext *mesaCtx;
TRACE;
- if (ctx) {
+ if (cPriv) {
+ struct dri_context *ctx = dri_context(cPriv);
+ GLcontext *mesaCtx;
+
mesaCtx = &ctx->Base;
+
_mesa_meta_free(mesaCtx);
_swsetup_DestroyContext( mesaCtx );
_swrast_DestroyContext( mesaCtx );
@@ -578,28 +659,26 @@ driDestroyContext(__DRIcontext *ctx)
}
}
-static int
-driCopyContext(__DRIcontext *dst, __DRIcontext *src, unsigned long mask)
-{
- TRACE;
-
- _mesa_copy_context(&src->Base, &dst->Base, mask);
- return GL_TRUE;
-}
-
-static int driBindContext(__DRIcontext *ctx,
- __DRIdrawable *draw,
- __DRIdrawable *read)
+static GLboolean
+dri_make_current(__DRIcontext * cPriv,
+ __DRIdrawable * driDrawPriv,
+ __DRIdrawable * driReadPriv)
{
GLcontext *mesaCtx;
GLframebuffer *mesaDraw;
GLframebuffer *mesaRead;
TRACE;
- if (ctx) {
- if (!draw || !read)
+ if (cPriv) {
+ struct dri_context *ctx = dri_context(cPriv);
+ struct dri_drawable *draw;
+ struct dri_drawable *read;
+
+ if (!driDrawPriv || !driReadPriv)
return GL_FALSE;
+ draw = dri_drawable(driDrawPriv);
+ read = dri_drawable(driReadPriv);
mesaCtx = &ctx->Base;
mesaDraw = &draw->Base;
mesaRead = &read->Base;
@@ -614,7 +693,7 @@ static int driBindContext(__DRIcontext *ctx,
_glapi_check_multithread();
swrast_check_and_update_window_size(mesaCtx, mesaDraw);
- if (read != draw)
+ if (mesaRead != mesaDraw)
swrast_check_and_update_window_size(mesaCtx, mesaRead);
_mesa_make_current( mesaCtx,
@@ -629,35 +708,29 @@ static int driBindContext(__DRIcontext *ctx,
return GL_TRUE;
}
-static int driUnbindContext(__DRIcontext *ctx)
+static GLboolean
+dri_unbind_context(__DRIcontext * cPriv)
{
TRACE;
- (void) ctx;
+ (void) cPriv;
+
+ /* Unset current context and dispath table */
+ _mesa_make_current(NULL, NULL, NULL);
+
return GL_TRUE;
}
-static const __DRIcoreExtension driCoreExtension = {
- { __DRI_CORE, __DRI_CORE_VERSION },
- NULL, /* driCreateNewScreen */
- driDestroyScreen,
- driGetExtensions,
- driGetConfigAttrib,
- driIndexConfigAttrib,
- NULL, /* driCreateNewDrawable */
- driDestroyDrawable,
- driSwapBuffers,
- driCreateNewContext,
- driCopyContext,
- driDestroyContext,
- driBindContext,
- driUnbindContext
-};
-
-static const __DRIswrastExtension driSWRastExtension = {
- { __DRI_SWRAST, __DRI_SWRAST_VERSION },
- driCreateNewScreen,
- driCreateNewDrawable
+const struct __DriverAPIRec driDriverAPI = {
+ .InitScreen = dri_init_screen,
+ .DestroyScreen = dri_destroy_screen,
+ .CreateContext = dri_create_context,
+ .DestroyContext = dri_destroy_context,
+ .CreateBuffer = dri_create_buffer,
+ .DestroyBuffer = dri_destroy_buffer,
+ .SwapBuffers = dri_swap_buffers,
+ .MakeCurrent = dri_make_current,
+ .UnbindContext = dri_unbind_context,
};
/* This is the table of extensions that the loader will dlsym() for. */