#include "fbobject.h"
#include "formats.h"
#include "framebuffer.h"
+#include "glformats.h"
#include "hash.h"
-#include "image.h"
#include "macros.h"
#include "mfeatures.h"
#include "mtypes.h"
#include "texobj.h"
-/** Set this to 1 to help debug FBO incompleteness problems */
-#define DEBUG_FBO 0
-
/** Set this to 1 to debug/log glBlitFramebuffer() calls */
#define DEBUG_BLIT 0
{
switch (target) {
case GL_DRAW_FRAMEBUFFER:
- return ctx->Extensions.EXT_framebuffer_blit && ctx->API == API_OPENGL
+ return ctx->Extensions.EXT_framebuffer_blit && _mesa_is_desktop_gl(ctx)
? ctx->DrawBuffer : NULL;
case GL_READ_FRAMEBUFFER:
- return ctx->Extensions.EXT_framebuffer_blit && ctx->API == API_OPENGL
+ return ctx->Extensions.EXT_framebuffer_blit && _mesa_is_desktop_gl(ctx)
? ctx->ReadBuffer : NULL;
case GL_FRAMEBUFFER_EXT:
return ctx->DrawBuffer;
}
return &fb->Attachment[BUFFER_COLOR0 + i];
case GL_DEPTH_STENCIL_ATTACHMENT:
- if (ctx->API != API_OPENGL)
+ if (!_mesa_is_desktop_gl(ctx))
return NULL;
/* fall-through */
case GL_DEPTH_ATTACHMENT_EXT:
static void
att_incomplete(const char *msg)
{
-#if DEBUG_FBO
- _mesa_debug(NULL, "attachment incomplete: %s\n", msg);
-#else
- (void) msg;
-#endif
+ if (MESA_DEBUG_FLAGS & DEBUG_INCOMPLETE_FBO) {
+ _mesa_debug(NULL, "attachment incomplete: %s\n", msg);
+ }
}
static void
fbo_incomplete(const char *msg, int index)
{
-#if DEBUG_FBO
- _mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
-#else
- (void) msg;
- (void) index;
-#endif
+ if (MESA_DEBUG_FLAGS & DEBUG_INCOMPLETE_FBO) {
+ _mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
+ }
}
return;
}
}
+
+ /* Check that the format is valid. (MESA_FORMAT_NONE means unsupported)
+ */
+ if (att->Type == GL_RENDERBUFFER &&
+ att->Renderbuffer->Format == MESA_FORMAT_NONE) {
+ fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
+ fbo_incomplete("unsupported renderbuffer format", i);
+ return;
+ }
}
#if FEATURE_GL
- if (ctx->API == API_OPENGL && !ctx->Extensions.ARB_ES2_compatibility) {
+ if (_mesa_is_desktop_gl(ctx) && !ctx->Extensions.ARB_ES2_compatibility) {
/* Check that all DrawBuffers are present */
for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
if (fb->ColorDrawBuffer[j] != GL_NONE) {
case GL_RGBA8I_EXT:
case GL_RGBA16I_EXT:
case GL_RGBA32I_EXT:
- return ctx->VersionMajor >= 3 ||
+ return ctx->Version >= 30 ||
ctx->Extensions.EXT_texture_integer ? GL_RGBA : 0;
case GL_RGB8UI_EXT:
case GL_RGB8I_EXT:
case GL_RGB16I_EXT:
case GL_RGB32I_EXT:
- return ctx->VersionMajor >= 3 ||
+ return ctx->Version >= 30 ||
ctx->Extensions.EXT_texture_integer ? GL_RGB : 0;
case GL_R8UI:
case GL_R16I:
case GL_R32UI:
case GL_R32I:
- return ctx->VersionMajor >= 3 ||
+ return ctx->Version >= 30 ||
(ctx->Extensions.ARB_texture_rg &&
ctx->Extensions.EXT_texture_integer) ? GL_RED : 0;
case GL_RG16I:
case GL_RG32UI:
case GL_RG32I:
- return ctx->VersionMajor >= 3 ||
+ return ctx->Version >= 30 ||
(ctx->Extensions.ARB_texture_rg &&
ctx->Extensions.EXT_texture_integer) ? GL_RG : 0;
case GL_RGB10_A2UI:
return ctx->Extensions.ARB_texture_rgb10_a2ui ? GL_RGBA : 0;
+
+ case GL_RGB565:
+ return ctx->Extensions.ARB_ES2_compatibility ? GL_RGB : 0;
default:
return 0;
}
ASSERT(rb->AllocStorage);
if (rb->AllocStorage(ctx, rb, internalFormat, width, height)) {
/* No error - check/set fields now */
- assert(rb->Format != MESA_FORMAT_NONE);
+ /* If rb->Format == MESA_FORMAT_NONE, the format is unsupported. */
assert(rb->Width == (GLuint) width);
assert(rb->Height == (GLuint) height);
rb->InternalFormat = internalFormat;
/**
- * Common code called by glFramebufferTexture1D/2D/3DEXT().
+ * Common code called by glFramebufferTexture1D/2D/3DEXT() and
+ * glFramebufferTextureLayerEXT().
+ * Note: glFramebufferTextureLayerEXT() has no textarget parameter so we'll
+ * get textarget=0 in that case.
*/
static void
framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
struct gl_renderbuffer_attachment *att;
struct gl_texture_object *texObj = NULL;
struct gl_framebuffer *fb;
+ GLenum maxLevelsTarget;
ASSERT_OUTSIDE_BEGIN_END(ctx);
texObj = _mesa_lookup_texture(ctx, texture);
if (texObj != NULL) {
if (textarget == 0) {
- /* XXX what's the purpose of this? */
+ /* If textarget == 0 it means we're being called by
+ * glFramebufferTextureLayer() and textarget is not used.
+ * The only legal texture types for that function are 3D and
+ * 1D/2D arrays textures.
+ */
err = (texObj->Target != GL_TEXTURE_3D) &&
(texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
(texObj->Target != GL_TEXTURE_2D_ARRAY_EXT);
}
else {
+ /* Make sure textarget is consistent with the texture's type */
err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
? !_mesa_is_cube_face(textarget)
: (texObj->Target != textarget);
}
}
+ maxLevelsTarget = textarget ? textarget : texObj->Target;
if ((level < 0) ||
- (level >= _mesa_max_texture_levels(ctx, texObj->Target))) {
+ (level >= _mesa_max_texture_levels(ctx, maxLevelsTarget))) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glFramebufferTexture%sEXT(level)", caller);
return;
_glthread_LOCK_MUTEX(fb->Mutex);
if (texObj) {
if (attachment == GL_DEPTH_ATTACHMENT &&
- texObj == fb->Attachment[BUFFER_STENCIL].Texture) {
+ texObj == fb->Attachment[BUFFER_STENCIL].Texture &&
+ level == fb->Attachment[BUFFER_STENCIL].TextureLevel &&
+ _mesa_tex_target_to_face(textarget) ==
+ fb->Attachment[BUFFER_STENCIL].CubeMapFace &&
+ zoffset == fb->Attachment[BUFFER_STENCIL].Zoffset) {
/* The texture object is already attached to the stencil attachment
* point. Don't create a new renderbuffer; just reuse the stencil
* attachment's. This is required to prevent a GL error in
reuse_framebuffer_texture_attachment(fb, BUFFER_DEPTH,
BUFFER_STENCIL);
} else if (attachment == GL_STENCIL_ATTACHMENT &&
- texObj == fb->Attachment[BUFFER_DEPTH].Texture) {
- /* As above, but with depth and stencil juxtaposed. */
+ texObj == fb->Attachment[BUFFER_DEPTH].Texture &&
+ level == fb->Attachment[BUFFER_DEPTH].TextureLevel &&
+ _mesa_tex_target_to_face(textarget) ==
+ fb->Attachment[BUFFER_DEPTH].CubeMapFace &&
+ zoffset == fb->Attachment[BUFFER_DEPTH].Zoffset) {
+ /* As above, but with depth and stencil transposed. */
reuse_framebuffer_texture_attachment(fb, BUFFER_STENCIL,
BUFFER_DEPTH);
} else {
ASSERT_OUTSIDE_BEGIN_END(ctx);
/* The error differs in GL and GLES. */
- err = ctx->API == API_OPENGL ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
+ err = _mesa_is_desktop_gl(ctx) ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
buffer = get_framebuffer_target(ctx, target);
if (!buffer) {
* OES_framebuffer_object spec refers to the EXT_framebuffer_object
* spec.
*/
- if (ctx->API != API_OPENGL || !ctx->Extensions.ARB_framebuffer_object) {
+ if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_framebuffer_object) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetFramebufferAttachmentParameteriv(bound FBO = 0)");
return;
}
else {
assert(att->Type == GL_NONE);
- if (ctx->API == API_OPENGL) {
+ if (_mesa_is_desktop_gl(ctx)) {
*params = 0;
} else {
_mesa_error(ctx, GL_INVALID_ENUM,
}
+/**
+ * Return the equivalent non-generic internal format.
+ * This is useful for comparing whether two internal formats are semantically
+ * equivalent.
+ */
+static GLenum
+get_nongeneric_internalformat(GLenum format)
+{
+ switch (format) {
+ /* GL 1.1 formats. */
+ case 4:
+ case GL_RGBA:
+ return GL_RGBA8;
+
+ case 3:
+ case GL_RGB:
+ return GL_RGB8;
+
+ case 2:
+ case GL_LUMINANCE_ALPHA:
+ return GL_LUMINANCE8_ALPHA8;
+
+ case 1:
+ case GL_LUMINANCE:
+ return GL_LUMINANCE8;
+
+ case GL_ALPHA:
+ return GL_ALPHA8;
+
+ case GL_INTENSITY:
+ return GL_INTENSITY8;
+
+ /* GL_ARB_texture_rg */
+ case GL_RED:
+ return GL_R8;
+
+ case GL_RG:
+ return GL_RG8;
+
+ /* GL_EXT_texture_sRGB */
+ case GL_SRGB:
+ return GL_SRGB8;
+
+ case GL_SRGB_ALPHA:
+ return GL_SRGB8_ALPHA8;
+
+ case GL_SLUMINANCE:
+ return GL_SLUMINANCE8;
+
+ case GL_SLUMINANCE_ALPHA:
+ return GL_SLUMINANCE8_ALPHA8;
+
+ /* GL_EXT_texture_snorm */
+ case GL_RGBA_SNORM:
+ return GL_RGBA8_SNORM;
+
+ case GL_RGB_SNORM:
+ return GL_RGB8_SNORM;
+
+ case GL_RG_SNORM:
+ return GL_RG8_SNORM;
+
+ case GL_RED_SNORM:
+ return GL_R8_SNORM;
+
+ case GL_LUMINANCE_ALPHA_SNORM:
+ return GL_LUMINANCE8_ALPHA8_SNORM;
+
+ case GL_LUMINANCE_SNORM:
+ return GL_LUMINANCE8_SNORM;
+
+ case GL_ALPHA_SNORM:
+ return GL_ALPHA8_SNORM;
+
+ case GL_INTENSITY_SNORM:
+ return GL_INTENSITY8_SNORM;
+
+ default:
+ return format;
+ }
+}
+
+
+static GLboolean
+compatible_resolve_formats(const struct gl_renderbuffer *colorReadRb,
+ const struct gl_renderbuffer *colorDrawRb)
+{
+ /* The simple case where we know the backing formats are the same.
+ */
+ if (colorReadRb->Format == colorDrawRb->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.
+ */
+ if (get_nongeneric_internalformat(colorReadRb->InternalFormat) ==
+ get_nongeneric_internalformat(colorDrawRb->InternalFormat)) {
+ return GL_TRUE;
+ }
+
+ return GL_FALSE;
+}
+
+
/**
* Blit rectangular region, optionally from one framebuffer to another.
*
/* color formats must match */
if (colorReadRb &&
colorDrawRb &&
- colorReadRb->Format != colorDrawRb->Format) {
+ !compatible_resolve_formats(colorReadRb, colorDrawRb)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBlitFramebufferEXT(bad src/dst multisample pixel formats)");
return;
"not implemented!");
}
#endif /* FEATURE_ARB_geometry_shader4 */
+
+static void
+invalidate_framebuffer_storage(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments, GLint x, GLint y,
+ GLsizei width, GLsizei height, const char *name)
+{
+ int i;
+ struct gl_framebuffer *fb;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ fb = get_framebuffer_target(ctx, target);
+ if (!fb) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", name);
+ return;
+ }
+
+ if (numAttachments < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(numAttachments < 0)", name);
+ return;
+ }
+
+ /* The GL_ARB_invalidate_subdata spec says:
+ *
+ * "If an attachment is specified that does not exist in the
+ * framebuffer bound to <target>, it is ignored."
+ *
+ * It also says:
+ *
+ * "If <attachments> contains COLOR_ATTACHMENTm and m is greater than
+ * or equal to the value of MAX_COLOR_ATTACHMENTS, then the error
+ * INVALID_OPERATION is generated."
+ *
+ * No mention is made of GL_AUXi being out of range. Therefore, we allow
+ * any enum that can be allowed by the API (OpenGL ES 3.0 has a different
+ * set of retrictions).
+ */
+ for (i = 0; i < numAttachments; i++) {
+ if (_mesa_is_winsys_fbo(fb)) {
+ switch (attachments[i]) {
+ case GL_ACCUM:
+ case GL_AUX0:
+ case GL_AUX1:
+ case GL_AUX2:
+ case GL_AUX3:
+ /* Accumulation buffers and auxilary buffers were removed in
+ * OpenGL 3.1, and they never existed in OpenGL ES.
+ */
+ if (ctx->API != API_OPENGL)
+ goto invalid_enum;
+ break;
+ case GL_COLOR:
+ case GL_DEPTH:
+ case GL_STENCIL:
+ break;
+ case GL_BACK_LEFT:
+ case GL_BACK_RIGHT:
+ case GL_FRONT_LEFT:
+ case GL_FRONT_RIGHT:
+ if (!_mesa_is_desktop_gl(ctx))
+ goto invalid_enum;
+ break;
+ default:
+ goto invalid_enum;
+ }
+ } else {
+ switch (attachments[i]) {
+ case GL_DEPTH_ATTACHMENT:
+ case GL_STENCIL_ATTACHMENT:
+ break;
+ case GL_COLOR_ATTACHMENT0:
+ case GL_COLOR_ATTACHMENT1:
+ case GL_COLOR_ATTACHMENT2:
+ case GL_COLOR_ATTACHMENT3:
+ case GL_COLOR_ATTACHMENT4:
+ case GL_COLOR_ATTACHMENT5:
+ case GL_COLOR_ATTACHMENT6:
+ case GL_COLOR_ATTACHMENT7:
+ case GL_COLOR_ATTACHMENT8:
+ case GL_COLOR_ATTACHMENT9:
+ case GL_COLOR_ATTACHMENT10:
+ case GL_COLOR_ATTACHMENT11:
+ case GL_COLOR_ATTACHMENT12:
+ case GL_COLOR_ATTACHMENT13:
+ case GL_COLOR_ATTACHMENT14:
+ case GL_COLOR_ATTACHMENT15: {
+ const int k = attachments[i] - GL_COLOR_ATTACHMENT0;
+ if (k >= ctx->Const.MaxColorAttachments) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(attachment >= max. color attachments)", name);
+ return;
+ }
+ }
+ default:
+ goto invalid_enum;
+ }
+ }
+ }
+
+ /* We don't actually do anything for this yet. Just return after
+ * validating the parameters and generating the required errors.
+ */
+ return;
+
+invalid_enum:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(attachment)", name);
+ return;
+}
+
+void GLAPIENTRY
+_mesa_InvalidateSubFramebuffer(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments, GLint x, GLint y,
+ GLsizei width, GLsizei height)
+{
+ invalidate_framebuffer_storage(target, numAttachments, attachments,
+ x, y, width, height,
+ "glInvalidateSubFramebuffer");
+}
+
+void GLAPIENTRY
+_mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments)
+{
+ /* The GL_ARB_invalidate_subdata spec says:
+ *
+ * "The command
+ *
+ * void InvalidateFramebuffer(enum target,
+ * sizei numAttachments,
+ * const enum *attachments);
+ *
+ * is equivalent to the command InvalidateSubFramebuffer with <x>, <y>,
+ * <width>, <height> equal to 0, 0, <MAX_VIEWPORT_DIMS[0]>,
+ * <MAX_VIEWPORT_DIMS[1]> respectively."
+ */
+ invalidate_framebuffer_storage(target, numAttachments, attachments,
+ 0, 0, MAX_VIEWPORT_WIDTH, MAX_VIEWPORT_HEIGHT,
+ "glInvalidateFramebuffer");
+}
projects / mesa.git / blobdiff