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authormarha <marha@users.sourceforge.net>2014-02-07 23:46:30 +0100
committermarha <marha@users.sourceforge.net>2014-02-07 23:46:30 +0100
commit6daf40f6b1138efad98dbb579cd35520cbc349bb (patch)
tree7f45dbb347f5e1a73b18a720633b9d801c968490 /mesalib/src/mesa/main/fbobject.c
parent5c64f94cf4cf8457a5616fe20b9a27174895f1a8 (diff)
parent982ac918afe6a1c02d5cf735d7b6c56443a048cc (diff)
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Merge remote-tracking branch 'origin/released'
* origin/released: xkbcomp xkeyboard-config libxcb libxtrans fontconfig libX11 libxcb mesa xserver git update 7 Feb 2014 Conflicts: mesalib/src/glsl/glcpp/glcpp.c openssl/Makefile
Diffstat (limited to 'mesalib/src/mesa/main/fbobject.c')
-rw-r--r--mesalib/src/mesa/main/fbobject.c695
1 files changed, 52 insertions, 643 deletions
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index 943f40bd9..e459e0c63 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -50,10 +50,6 @@
#include "texobj.h"
-/** Set this to 1 to debug/log glBlitFramebuffer() calls */
-#define DEBUG_BLIT 0
-
-
/**
* Notes:
*
@@ -163,8 +159,7 @@ invalidate_framebuffer(struct gl_framebuffer *fb)
static struct gl_framebuffer *
get_framebuffer_target(struct gl_context *ctx, GLenum target)
{
- bool have_fb_blit = _mesa_is_gles3(ctx) ||
- (ctx->Extensions.EXT_framebuffer_blit && _mesa_is_desktop_gl(ctx));
+ bool have_fb_blit = _mesa_is_gles3(ctx) || _mesa_is_desktop_gl(ctx);
switch (target) {
case GL_DRAW_FRAMEBUFFER:
return have_fb_blit ? ctx->DrawBuffer : NULL;
@@ -186,9 +181,9 @@ get_framebuffer_target(struct gl_context *ctx, GLenum target)
* If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
* the depth buffer attachment point.
*/
-struct gl_renderbuffer_attachment *
-_mesa_get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
- GLenum attachment)
+static struct gl_renderbuffer_attachment *
+get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
+ GLenum attachment)
{
GLuint i;
@@ -318,9 +313,9 @@ _mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
* Remove any texture or renderbuffer attached to the given attachment
* point. Update reference counts, etc.
*/
-void
-_mesa_remove_attachment(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att)
+static void
+remove_attachment(struct gl_context *ctx,
+ struct gl_renderbuffer_attachment *att)
{
struct gl_renderbuffer *rb = att->Renderbuffer;
@@ -423,13 +418,13 @@ _mesa_update_texture_renderbuffer(struct gl_context *ctx,
* Bind a texture object to an attachment point.
* The previous binding, if any, will be removed first.
*/
-void
-_mesa_set_texture_attachment(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- struct gl_renderbuffer_attachment *att,
- struct gl_texture_object *texObj,
- GLenum texTarget, GLuint level, GLuint zoffset,
- GLboolean layered)
+static void
+set_texture_attachment(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_texture_object *texObj,
+ GLenum texTarget, GLuint level, GLuint zoffset,
+ GLboolean layered)
{
struct gl_renderbuffer *rb = att->Renderbuffer;
@@ -442,7 +437,7 @@ _mesa_set_texture_attachment(struct gl_context *ctx,
}
else {
/* new attachment */
- _mesa_remove_attachment(ctx, att);
+ remove_attachment(ctx, att);
att->Type = GL_TEXTURE;
assert(!att->Texture);
_mesa_reference_texobj(&att->Texture, texObj);
@@ -464,13 +459,13 @@ _mesa_set_texture_attachment(struct gl_context *ctx,
* Bind a renderbuffer to an attachment point.
* The previous binding, if any, will be removed first.
*/
-void
-_mesa_set_renderbuffer_attachment(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att,
- struct gl_renderbuffer *rb)
+static void
+set_renderbuffer_attachment(struct gl_context *ctx,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_renderbuffer *rb)
{
/* XXX check if re-doing same attachment, exit early */
- _mesa_remove_attachment(ctx, att);
+ remove_attachment(ctx, att);
att->Type = GL_RENDERBUFFER_EXT;
att->Texture = NULL; /* just to be safe */
att->Complete = GL_FALSE;
@@ -491,20 +486,20 @@ _mesa_framebuffer_renderbuffer(struct gl_context *ctx,
_glthread_LOCK_MUTEX(fb->Mutex);
- att = _mesa_get_attachment(ctx, fb, attachment);
+ att = get_attachment(ctx, fb, attachment);
ASSERT(att);
if (rb) {
- _mesa_set_renderbuffer_attachment(ctx, att, rb);
+ set_renderbuffer_attachment(ctx, att, rb);
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
/* do stencil attachment here (depth already done above) */
- att = _mesa_get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
+ att = get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
assert(att);
- _mesa_set_renderbuffer_attachment(ctx, att, rb);
+ set_renderbuffer_attachment(ctx, att, rb);
}
rb->AttachedAnytime = GL_TRUE;
}
else {
- _mesa_remove_attachment(ctx, att);
+ remove_attachment(ctx, att);
}
invalidate_framebuffer(fb);
@@ -539,7 +534,7 @@ _mesa_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
default:
switch (rb->Format) {
/* XXX This list is likely incomplete. */
- case MESA_FORMAT_RGB9_E5_FLOAT:
+ case MESA_FORMAT_R9G9B9E5_FLOAT:
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
return;
default:;
@@ -637,7 +632,7 @@ _mesa_is_legal_color_format(const struct gl_context *ctx, GLenum baseFormat)
* Is the given base format a legal format for a color renderbuffer?
*/
static GLboolean
-is_format_color_renderable(const struct gl_context *ctx, gl_format format, GLenum internalFormat)
+is_format_color_renderable(const struct gl_context *ctx, mesa_format format, GLenum internalFormat)
{
const GLenum baseFormat =
_mesa_get_format_base_format(format);
@@ -669,7 +664,7 @@ is_format_color_renderable(const struct gl_context *ctx, gl_format format, GLenu
break;
}
- if (format == MESA_FORMAT_ARGB2101010 && internalFormat != GL_RGB10_A2) {
+ if (format == MESA_FORMAT_B10G10R10A2_UNORM && internalFormat != GL_RGB10_A2) {
return GL_FALSE;
}
@@ -902,7 +897,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
for (i = -2; i < (GLint) ctx->Const.MaxColorAttachments; i++) {
struct gl_renderbuffer_attachment *att;
GLenum f;
- gl_format attFormat;
+ mesa_format attFormat;
GLenum att_tex_target = GL_NONE;
/*
@@ -1090,7 +1085,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
if (fb->ColorDrawBuffer[j] != GL_NONE) {
const struct gl_renderbuffer_attachment *att
- = _mesa_get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
+ = get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
assert(att);
if (att->Type == GL_NONE) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
@@ -1103,7 +1098,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
/* Check that the ReadBuffer is present */
if (fb->ColorReadBuffer != GL_NONE) {
const struct gl_renderbuffer_attachment *att
- = _mesa_get_attachment(ctx, fb, fb->ColorReadBuffer);
+ = get_attachment(ctx, fb, fb->ColorReadBuffer);
assert(att);
if (att->Type == GL_NONE) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
@@ -1251,7 +1246,7 @@ _mesa_detach_renderbuffer(struct gl_context *ctx,
for (i = 0; i < BUFFER_COUNT; i++) {
if (fb->Attachment[i].Texture == att
|| fb->Attachment[i].Renderbuffer == att) {
- _mesa_remove_attachment(ctx, &fb->Attachment[i]);
+ remove_attachment(ctx, &fb->Attachment[i]);
progress = true;
}
}
@@ -1859,7 +1854,7 @@ _mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
* we need to return zero.
*/
static GLint
-get_component_bits(GLenum pname, GLenum baseFormat, gl_format format)
+get_component_bits(GLenum pname, GLenum baseFormat, mesa_format format)
{
if (_mesa_base_format_has_channel(baseFormat, pname))
return _mesa_get_format_bits(format, pname);
@@ -2037,26 +2032,12 @@ bind_framebuffer(GLenum target, GLuint framebuffer, bool allow_user_names)
GLboolean bindReadBuf, bindDrawBuf;
GET_CURRENT_CONTEXT(ctx);
-#ifdef DEBUG
- if (ctx->Extensions.ARB_framebuffer_object) {
- ASSERT(ctx->Extensions.EXT_framebuffer_blit);
- }
-#endif
-
switch (target) {
case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
bindDrawBuf = GL_TRUE;
bindReadBuf = GL_FALSE;
break;
case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
bindDrawBuf = GL_FALSE;
bindReadBuf = GL_TRUE;
break;
@@ -2190,26 +2171,15 @@ _mesa_DeleteFramebuffers(GLsizei n, const GLuint *framebuffers)
ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
/* check if deleting currently bound framebuffer object */
- if (ctx->Extensions.EXT_framebuffer_blit) {
- /* separate draw/read binding points */
- if (fb == ctx->DrawBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, 0);
- }
- if (fb == ctx->ReadBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER_EXT, 0);
- }
+ if (fb == ctx->DrawBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
- else {
- /* only one binding point for read/draw buffers */
- if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
- }
+ if (fb == ctx->ReadBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, 0);
}
/* remove from hash table immediately, to free the ID */
@@ -2454,7 +2424,7 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
}
}
- att = _mesa_get_attachment(ctx, fb, attachment);
+ att = get_attachment(ctx, fb, attachment);
if (att == NULL) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glFramebufferTexture%sEXT(attachment)", caller);
@@ -2488,7 +2458,7 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
reuse_framebuffer_texture_attachment(fb, BUFFER_STENCIL,
BUFFER_DEPTH);
} else {
- _mesa_set_texture_attachment(ctx, fb, att, texObj, textarget,
+ set_texture_attachment(ctx, fb, att, texObj, textarget,
level, zoffset, layered);
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
/* Above we created a new renderbuffer and attached it to the
@@ -2512,10 +2482,10 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
texObj->_RenderToTexture = GL_TRUE;
}
else {
- _mesa_remove_attachment(ctx, att);
+ remove_attachment(ctx, att);
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
assert(att == &fb->Attachment[BUFFER_DEPTH]);
- _mesa_remove_attachment(ctx, &fb->Attachment[BUFFER_STENCIL]);
+ remove_attachment(ctx, &fb->Attachment[BUFFER_STENCIL]);
}
}
@@ -2683,7 +2653,7 @@ _mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
return;
}
- att = _mesa_get_attachment(ctx, fb, attachment);
+ att = get_attachment(ctx, fb, attachment);
if (att == NULL) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glFramebufferRenderbufferEXT(invalid attachment %s)",
@@ -2785,7 +2755,7 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
}
else {
/* user-created framebuffer FBO */
- att = _mesa_get_attachment(ctx, buffer, attachment);
+ att = get_attachment(ctx, buffer, attachment);
}
if (att == NULL) {
@@ -2797,8 +2767,8 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
/* the depth and stencil attachments must point to the same buffer */
const struct gl_renderbuffer_attachment *depthAtt, *stencilAtt;
- depthAtt = _mesa_get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
- stencilAtt = _mesa_get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
+ depthAtt = get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
+ stencilAtt = get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
@@ -2908,7 +2878,7 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
"glGetFramebufferAttachmentParameterivEXT(pname)");
}
else {
- gl_format format = att->Renderbuffer->Format;
+ mesa_format format = att->Renderbuffer->Format;
/* Page 235 (page 247 of the PDF) in section 6.1.13 of the OpenGL ES
* 3.0.1 spec says:
@@ -2925,11 +2895,11 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
return;
}
- if (format == MESA_FORMAT_S8) {
+ if (format == MESA_FORMAT_S_UINT8) {
/* special cases */
*params = GL_INDEX;
}
- else if (format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ else if (format == MESA_FORMAT_Z32_FLOAT_S8X24_UINT) {
/* depends on the attachment parameter */
if (attachment == GL_STENCIL_ATTACHMENT) {
*params = GL_INDEX;
@@ -3003,567 +2973,6 @@ invalid_pname_enum:
}
-void GLAPIENTRY
-_mesa_GenerateMipmap(GLenum target)
-{
- struct gl_texture_image *srcImage;
- struct gl_texture_object *texObj;
- GLboolean error;
-
- GET_CURRENT_CONTEXT(ctx);
-
- FLUSH_VERTICES(ctx, 0);
-
- switch (target) {
- case GL_TEXTURE_1D:
- error = _mesa_is_gles(ctx);
- break;
- case GL_TEXTURE_2D:
- error = GL_FALSE;
- break;
- case GL_TEXTURE_3D:
- error = ctx->API == API_OPENGLES;
- break;
- case GL_TEXTURE_CUBE_MAP:
- error = !ctx->Extensions.ARB_texture_cube_map;
- break;
- case GL_TEXTURE_1D_ARRAY:
- error = _mesa_is_gles(ctx) || !ctx->Extensions.EXT_texture_array;
- break;
- case GL_TEXTURE_2D_ARRAY:
- error = (_mesa_is_gles(ctx) && ctx->Version < 30)
- || !ctx->Extensions.EXT_texture_array;
- break;
- default:
- error = GL_TRUE;
- }
-
- if (error) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target=%s)",
- _mesa_lookup_enum_by_nr(target));
- return;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- if (texObj->BaseLevel >= texObj->MaxLevel) {
- /* nothing to do */
- return;
- }
-
- if (texObj->Target == GL_TEXTURE_CUBE_MAP &&
- !_mesa_cube_complete(texObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGenerateMipmap(incomplete cube map)");
- return;
- }
-
- _mesa_lock_texture(ctx, texObj);
-
- srcImage = _mesa_select_tex_image(ctx, texObj, target, texObj->BaseLevel);
- if (!srcImage) {
- _mesa_unlock_texture(ctx, texObj);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGenerateMipmap(zero size base image)");
- return;
- }
-
- if (_mesa_is_enum_format_integer(srcImage->InternalFormat) ||
- _mesa_is_depthstencil_format(srcImage->InternalFormat) ||
- _mesa_is_stencil_format(srcImage->InternalFormat)) {
- _mesa_unlock_texture(ctx, texObj);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGenerateMipmap(invalid internal format)");
- return;
- }
-
- if (target == GL_TEXTURE_CUBE_MAP) {
- GLuint face;
- for (face = 0; face < 6; face++)
- ctx->Driver.GenerateMipmap(ctx,
- GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + face,
- texObj);
- }
- else {
- ctx->Driver.GenerateMipmap(ctx, target, texObj);
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-static const struct gl_renderbuffer_attachment *
-find_attachment(const struct gl_framebuffer *fb,
- const struct gl_renderbuffer *rb)
-{
- GLuint i;
- for (i = 0; i < Elements(fb->Attachment); i++) {
- if (fb->Attachment[i].Renderbuffer == rb)
- return &fb->Attachment[i];
- }
- return NULL;
-}
-
-
-/**
- * Helper function for checking if the datatypes of color buffers are
- * compatible for glBlitFramebuffer. From the 3.1 spec, page 198:
- *
- * "GL_INVALID_OPERATION is generated if mask contains GL_COLOR_BUFFER_BIT
- * and any of the following conditions hold:
- * - The read buffer contains fixed-point or floating-point values and any
- * draw buffer contains neither fixed-point nor floating-point values.
- * - The read buffer contains unsigned integer values and any draw buffer
- * does not contain unsigned integer values.
- * - The read buffer contains signed integer values and any draw buffer
- * does not contain signed integer values."
- */
-static GLboolean
-compatible_color_datatypes(gl_format srcFormat, gl_format dstFormat)
-{
- GLenum srcType = _mesa_get_format_datatype(srcFormat);
- GLenum dstType = _mesa_get_format_datatype(dstFormat);
-
- if (srcType != GL_INT && srcType != GL_UNSIGNED_INT) {
- assert(srcType == GL_UNSIGNED_NORMALIZED ||
- srcType == GL_SIGNED_NORMALIZED ||
- srcType == GL_FLOAT);
- /* Boil any of those types down to GL_FLOAT */
- srcType = GL_FLOAT;
- }
-
- if (dstType != GL_INT && dstType != GL_UNSIGNED_INT) {
- assert(dstType == GL_UNSIGNED_NORMALIZED ||
- dstType == GL_SIGNED_NORMALIZED ||
- dstType == GL_FLOAT);
- /* Boil any of those types down to GL_FLOAT */
- dstType = GL_FLOAT;
- }
-
- return srcType == dstType;
-}
-
-
-static GLboolean
-compatible_resolve_formats(const struct gl_renderbuffer *readRb,
- const struct gl_renderbuffer *drawRb)
-{
- GLenum readFormat, drawFormat;
-
- /* The simple case where we know the backing Mesa formats are the same.
- */
- if (_mesa_get_srgb_format_linear(readRb->Format) ==
- _mesa_get_srgb_format_linear(drawRb->Format)) {
- return GL_TRUE;
- }
-
- /* The Mesa formats are different, so we must check whether the internal
- * formats are compatible.
- *
- * Under some circumstances, the user may request e.g. two GL_RGBA8
- * textures and get two entirely different Mesa formats like RGBA8888 and
- * ARGB8888. Drivers behaving like that should be able to cope with
- * non-matching formats by themselves, because it's not the user's fault.
- *
- * Blits between linear and sRGB formats are also allowed.
- */
- readFormat = _mesa_get_nongeneric_internalformat(readRb->InternalFormat);
- drawFormat = _mesa_get_nongeneric_internalformat(drawRb->InternalFormat);
- readFormat = _mesa_get_linear_internalformat(readFormat);
- drawFormat = _mesa_get_linear_internalformat(drawFormat);
-
- if (readFormat == drawFormat) {
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-static GLboolean
-is_valid_blit_filter(const struct gl_context *ctx, GLenum filter)
-{
- switch (filter) {
- case GL_NEAREST:
- case GL_LINEAR:
- return true;
- case GL_SCALED_RESOLVE_FASTEST_EXT:
- case GL_SCALED_RESOLVE_NICEST_EXT:
- return ctx->Extensions.EXT_framebuffer_multisample_blit_scaled;
- default:
- return false;
- }
-}
-
-/**
- * Blit rectangular region, optionally from one framebuffer to another.
- *
- * Note, if the src buffer is multisampled and the dest is not, this is
- * when the samples must be resolved to a single color.
- */
-void GLAPIENTRY
-_mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter)
-{
- const GLbitfield legalMaskBits = (GL_COLOR_BUFFER_BIT |
- GL_DEPTH_BUFFER_BIT |
- GL_STENCIL_BUFFER_BIT);
- const struct gl_framebuffer *readFb, *drawFb;
- GET_CURRENT_CONTEXT(ctx);
-
- FLUSH_VERTICES(ctx, 0);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx,
- "glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d, 0x%x, %s)\n",
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, _mesa_lookup_enum_by_nr(filter));
-
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
-
- readFb = ctx->ReadBuffer;
- drawFb = ctx->DrawBuffer;
-
- if (!readFb || !drawFb) {
- /* This will normally never happen but someday we may want to
- * support MakeCurrent() with no drawables.
- */
- return;
- }
-
- /* check for complete framebuffers */
- if (drawFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
- readFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glBlitFramebufferEXT(incomplete draw/read buffers)");
- return;
- }
-
- if (!is_valid_blit_filter(ctx, filter)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlitFramebufferEXT(%s)",
- _mesa_lookup_enum_by_nr(filter));
- return;
- }
-
- if ((filter == GL_SCALED_RESOLVE_FASTEST_EXT ||
- filter == GL_SCALED_RESOLVE_NICEST_EXT) &&
- (readFb->Visual.samples == 0 || drawFb->Visual.samples > 0)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT(%s)",
- _mesa_lookup_enum_by_nr(filter));
- return;
- }
-
- if (mask & ~legalMaskBits) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glBlitFramebufferEXT(mask)");
- return;
- }
-
- /* depth/stencil must be blitted with nearest filtering */
- if ((mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT))
- && filter != GL_NEAREST) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter)");
- return;
- }
-
- /* get color read/draw renderbuffers */
- if (mask & GL_COLOR_BUFFER_BIT) {
- const GLuint numColorDrawBuffers = ctx->DrawBuffer->_NumColorDrawBuffers;
- const struct gl_renderbuffer *colorReadRb = readFb->_ColorReadBuffer;
- const struct gl_renderbuffer *colorDrawRb = NULL;
- GLuint i;
-
- /* From the EXT_framebuffer_object spec:
- *
- * "If a buffer is specified in <mask> and does not exist in both
- * the read and draw framebuffers, the corresponding bit is silently
- * ignored."
- */
- if (!colorReadRb || numColorDrawBuffers == 0) {
- mask &= ~GL_COLOR_BUFFER_BIT;
- }
- else {
- for (i = 0; i < numColorDrawBuffers; i++) {
- colorDrawRb = ctx->DrawBuffer->_ColorDrawBuffers[i];
- if (!colorDrawRb)
- continue;
-
- /* Page 193 (page 205 of the PDF) in section 4.3.2 of the OpenGL
- * ES 3.0.1 spec says:
- *
- * "If the source and destination buffers are identical, an
- * INVALID_OPERATION error is generated. Different mipmap
- * levels of a texture, different layers of a three-
- * dimensional texture or two-dimensional array texture, and
- * different faces of a cube map texture do not constitute
- * identical buffers."
- */
- if (_mesa_is_gles3(ctx) && (colorDrawRb == colorReadRb)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(source and destination color "
- "buffer cannot be the same)");
- return;
- }
-
- if (!compatible_color_datatypes(colorReadRb->Format,
- colorDrawRb->Format)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(color buffer datatypes mismatch)");
- return;
- }
- /* extra checks for multisample copies... */
- if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
- /* color formats must match */
- if (!compatible_resolve_formats(colorReadRb, colorDrawRb)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(bad src/dst multisample pixel formats)");
- return;
- }
- }
- }
- if (filter != GL_NEAREST) {
- /* From EXT_framebuffer_multisample_blit_scaled specification:
- * "Calling BlitFramebuffer will result in an INVALID_OPERATION error
- * if filter is not NEAREST and read buffer contains integer data."
- */
- GLenum type = _mesa_get_format_datatype(colorReadRb->Format);
- if (type == GL_INT || type == GL_UNSIGNED_INT) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(integer color type)");
- return;
- }
- }
- }
- }
-
- if (mask & GL_STENCIL_BUFFER_BIT) {
- struct gl_renderbuffer *readRb =
- readFb->Attachment[BUFFER_STENCIL].Renderbuffer;
- struct gl_renderbuffer *drawRb =
- drawFb->Attachment[BUFFER_STENCIL].Renderbuffer;
-
- /* From the EXT_framebuffer_object spec:
- *
- * "If a buffer is specified in <mask> and does not exist in both
- * the read and draw framebuffers, the corresponding bit is silently
- * ignored."
- */
- if ((readRb == NULL) || (drawRb == NULL)) {
- mask &= ~GL_STENCIL_BUFFER_BIT;
- }
- else {
- int read_z_bits, draw_z_bits;
-
- if (_mesa_is_gles3(ctx) && (drawRb == readRb)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(source and destination stencil "
- "buffer cannot be the same)");
- return;
- }
-
- if (_mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS)) {
- /* There is no need to check the stencil datatype here, because
- * there is only one: GL_UNSIGNED_INT.
- */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(stencil attachment format mismatch)");
- return;
- }
-
- read_z_bits = _mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS);
- draw_z_bits = _mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS);
-
- /* If both buffers also have depth data, the depth formats must match
- * as well. If one doesn't have depth, it's not blitted, so we should
- * ignore the depth format check.
- */
- if (read_z_bits > 0 && draw_z_bits > 0 &&
- (read_z_bits != draw_z_bits ||
- _mesa_get_format_datatype(readRb->Format) !=
- _mesa_get_format_datatype(drawRb->Format))) {
-
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebuffer"
- "(stencil attachment depth format mismatch)");
- return;
- }
- }
- }
-
- if (mask & GL_DEPTH_BUFFER_BIT) {
- struct gl_renderbuffer *readRb =
- readFb->Attachment[BUFFER_DEPTH].Renderbuffer;
- struct gl_renderbuffer *drawRb =
- drawFb->Attachment[BUFFER_DEPTH].Renderbuffer;
-
- /* From the EXT_framebuffer_object spec:
- *
- * "If a buffer is specified in <mask> and does not exist in both
- * the read and draw framebuffers, the corresponding bit is silently
- * ignored."
- */
- if ((readRb == NULL) || (drawRb == NULL)) {
- mask &= ~GL_DEPTH_BUFFER_BIT;
- }
- else {
- int read_s_bit, draw_s_bit;
-
- if (_mesa_is_gles3(ctx) && (drawRb == readRb)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(source and destination depth "
- "buffer cannot be the same)");
- return;
- }
-
- if ((_mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS)) ||
- (_mesa_get_format_datatype(readRb->Format) !=
- _mesa_get_format_datatype(drawRb->Format))) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(depth attachment format mismatch)");
- return;
- }
-
- read_s_bit = _mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS);
- draw_s_bit = _mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS);
-
- /* If both buffers also have stencil data, the stencil formats must
- * match as well. If one doesn't have stencil, it's not blitted, so
- * we should ignore the stencil format check.
- */
- if (read_s_bit > 0 && draw_s_bit > 0 && read_s_bit != draw_s_bit) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebuffer"
- "(depth attachment stencil bits mismatch)");
- return;
- }
- }
- }
-
-
- if (_mesa_is_gles3(ctx)) {
- /* Page 194 (page 206 of the PDF) in section 4.3.2 of the OpenGL ES
- * 3.0.1 spec says:
- *
- * "If SAMPLE_BUFFERS for the draw framebuffer is greater than zero,
- * an INVALID_OPERATION error is generated."
- */
- if (drawFb->Visual.samples > 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(destination samples must be 0)");
- return;
- }
-
- /* Page 194 (page 206 of the PDF) in section 4.3.2 of the OpenGL ES
- * 3.0.1 spec says:
- *
- * "If SAMPLE_BUFFERS for the read framebuffer is greater than zero,
- * no copy is performed and an INVALID_OPERATION error is generated
- * if the formats of the read and draw framebuffers are not
- * identical or if the source and destination rectangles are not
- * defined with the same (X0, Y0) and (X1, Y1) bounds."
- *
- * The format check was made above because desktop OpenGL has the same
- * requirement.
- */
- if (readFb->Visual.samples > 0
- && (srcX0 != dstX0 || srcY0 != dstY0
- || srcX1 != dstX1 || srcY1 != dstY1)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(bad src/dst multisample region)");
- return;
- }
- } else {
- if (readFb->Visual.samples > 0 &&
- drawFb->Visual.samples > 0 &&
- readFb->Visual.samples != drawFb->Visual.samples) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(mismatched samples)");
- return;
- }
-
- /* extra checks for multisample copies... */
- if ((readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) &&
- (filter == GL_NEAREST || filter == GL_LINEAR)) {
- /* src and dest region sizes must be the same */
- if (abs(srcX1 - srcX0) != abs(dstX1 - dstX0) ||
- abs(srcY1 - srcY0) != abs(dstY1 - dstY0)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(bad src/dst multisample region sizes)");
- return;
- }
- }
- }
-
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT");
- return;
- }
-
- /* Debug code */
- if (DEBUG_BLIT) {
- const struct gl_renderbuffer *colorReadRb = readFb->_ColorReadBuffer;
- const struct gl_renderbuffer *colorDrawRb = NULL;
- GLuint i = 0;
-
- printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
- " 0x%x, 0x%x)\n",
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
- if (colorReadRb) {
- const struct gl_renderbuffer_attachment *att;
-
- att = find_attachment(readFb, colorReadRb);
- printf(" Src FBO %u RB %u (%dx%d) ",
- readFb->Name, colorReadRb->Name,
- colorReadRb->Width, colorReadRb->Height);
- if (att && att->Texture) {
- printf("Tex %u tgt 0x%x level %u face %u",
- att->Texture->Name,
- att->Texture->Target,
- att->TextureLevel,
- att->CubeMapFace);
- }
- printf("\n");
-
- /* Print all active color render buffers */
- for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) {
- colorDrawRb = ctx->DrawBuffer->_ColorDrawBuffers[i];
- if (!colorDrawRb)
- continue;
-
- att = find_attachment(drawFb, colorDrawRb);
- printf(" Dst FBO %u RB %u (%dx%d) ",
- drawFb->Name, colorDrawRb->Name,
- colorDrawRb->Width, colorDrawRb->Height);
- if (att && att->Texture) {
- printf("Tex %u tgt 0x%x level %u face %u",
- att->Texture->Name,
- att->Texture->Target,
- att->TextureLevel,
- att->CubeMapFace);
- }
- printf("\n");
- }
- }
- }
-
- if (!mask ||
- (srcX1 - srcX0) == 0 || (srcY1 - srcY0) == 0 ||
- (dstX1 - dstX0) == 0 || (dstY1 - dstY0) == 0) {
- return;
- }
-
- ASSERT(ctx->Driver.BlitFramebuffer);
- ctx->Driver.BlitFramebuffer(ctx,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
-}
-
-
static void
invalidate_framebuffer_storage(GLenum target, GLsizei numAttachments,
const GLenum *attachments, GLint x, GLint y,