{
assert(_mesa_is_winsys_fbo(fb));
+ if (_mesa_is_gles3(ctx)) {
+ assert(attachment == GL_BACK ||
+ attachment == GL_DEPTH ||
+ attachment == GL_STENCIL);
+ switch (attachment) {
+ case GL_BACK:
+ /* Since there is no stereo rendering in ES 3.0, only return the
+ * LEFT bits.
+ */
+ if (ctx->DrawBuffer->Visual.doubleBufferMode)
+ return &fb->Attachment[BUFFER_BACK_LEFT];
+ return &fb->Attachment[BUFFER_FRONT_LEFT];
+ case GL_DEPTH:
+ return &fb->Attachment[BUFFER_DEPTH];
+ case GL_STENCIL:
+ return &fb->Attachment[BUFFER_STENCIL];
+ }
+ }
+
switch (attachment) {
case GL_FRONT_LEFT:
return &fb->Attachment[BUFFER_FRONT_LEFT];
}
+/**
+ * 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)
+{
+ const GLenum baseFormat =
+ _mesa_get_format_base_format(format);
+ GLboolean valid;
+
+ valid = _mesa_is_legal_color_format(ctx, baseFormat);
+ if (!valid || _mesa_is_desktop_gl(ctx)) {
+ return valid;
+ }
+
+ /* Reject additional cases for GLES */
+ switch (internalFormat) {
+ case GL_RGBA8_SNORM:
+ case GL_RGB32F:
+ case GL_RGB32I:
+ case GL_RGB32UI:
+ case GL_RGB16F:
+ case GL_RGB16I:
+ case GL_RGB16UI:
+ case GL_RGB8_SNORM:
+ case GL_RGB8I:
+ case GL_RGB8UI:
+ case GL_SRGB8:
+ case GL_RGB9_E5:
+ case GL_RG8_SNORM:
+ case GL_R8_SNORM:
+ return GL_FALSE;
+ default:
+ break;
+ }
+
+ if (format == MESA_FORMAT_ARGB2101010 && internalFormat != GL_RGB10_A2) {
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+
/**
* Is the given base format a legal format for a depth/stencil renderbuffer?
*/
f = texImg->_BaseFormat;
attFormat = texImg->TexFormat;
numImages++;
- if (!_mesa_is_legal_color_format(ctx, f) &&
+ if (!is_format_color_renderable(ctx, attFormat, texImg->InternalFormat) &&
!is_legal_depth_format(ctx, f)) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
fbo_incomplete("texture attachment incomplete", -1);
struct gl_renderbuffer *newRb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (target != GL_RENDERBUFFER_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBindRenderbufferEXT(target)");
return;
GLint i;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
for (i = 0; i < n; i++) {
GLuint first;
GLint i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGenRenderbuffersEXT(n)");
return;
ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
case GL_R16F:
case GL_R32F:
- return (_mesa_is_desktop_gl(ctx) &&
- ctx->Extensions.ARB_texture_rg &&
- ctx->Extensions.ARB_texture_float) ? GL_RED : 0;
+ return ((_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.ARB_texture_rg &&
+ ctx->Extensions.ARB_texture_float) ||
+ _mesa_is_gles3(ctx) /* EXT_color_buffer_float */ )
+ ? GL_RED : 0;
case GL_RG16F:
case GL_RG32F:
- return (_mesa_is_desktop_gl(ctx) &&
- ctx->Extensions.ARB_texture_rg &&
- ctx->Extensions.ARB_texture_float) ? GL_RG : 0;
+ return ((_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.ARB_texture_rg &&
+ ctx->Extensions.ARB_texture_float) ||
+ _mesa_is_gles3(ctx) /* EXT_color_buffer_float */ )
+ ? GL_RG : 0;
case GL_RGB16F:
case GL_RGB32F:
return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_float)
? GL_RGB : 0;
case GL_RGBA16F:
case GL_RGBA32F:
- return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_float)
+ return ((_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.ARB_texture_float) ||
+ _mesa_is_gles3(ctx) /* EXT_color_buffer_float */ )
? GL_RGBA : 0;
case GL_ALPHA16F_ARB:
case GL_ALPHA32F_ARB:
&& ctx->Extensions.EXT_texture_shared_exponent)
? GL_RGB : 0;
case GL_R11F_G11F_B10F:
- return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_packed_float)
+ return ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_packed_float) ||
+ _mesa_is_gles3(ctx) /* EXT_color_buffer_float */ )
? GL_RGB : 0;
case GL_RGBA8UI_EXT:
GLenum baseFormat;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (MESA_VERBOSE & VERBOSE_API) {
if (samples == NO_SAMPLES)
_mesa_debug(ctx, "%s(%s, %s, %d, %d)\n",
baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
if (baseFormat == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat)", func);
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat=%s)",
+ func, _mesa_lookup_enum_by_nr(internalFormat));
return;
}
{
struct gl_renderbuffer *rb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (!ctx->Extensions.OES_EGL_image) {
_mesa_error(ctx, GL_INVALID_OPERATION,
struct gl_renderbuffer *rb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (target != GL_RENDERBUFFER_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetRenderbufferParameterivEXT(target)");
}
#endif
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (!ctx->Extensions.EXT_framebuffer_object) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBindFramebufferEXT(unsupported)");
GLint i;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
for (i = 0; i < n; i++) {
GLuint first;
GLint i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGenFramebuffersEXT(n)");
return;
struct gl_framebuffer *fb;
GLenum maxLevelsTarget;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
fb = get_framebuffer_target(ctx, target);
if (!fb) {
_mesa_error(ctx, GL_INVALID_ENUM,
struct gl_renderbuffer *rb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
fb = get_framebuffer_target(ctx, target);
if (!fb) {
_mesa_error(ctx, GL_INVALID_ENUM, "glFramebufferRenderbufferEXT(target)");
GLenum err;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
/* The error differs in GL and GLES. */
err = _mesa_is_desktop_gl(ctx) ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
* OES_framebuffer_object spec refers to the EXT_framebuffer_object
* spec.
*/
- if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_framebuffer_object) {
+ if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_framebuffer_object)
+ && !_mesa_is_gles3(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetFramebufferAttachmentParameteriv(bound FBO = 0)");
return;
}
+
+ if (_mesa_is_gles3(ctx) && attachment != GL_BACK &&
+ attachment != GL_DEPTH && attachment != GL_STENCIL) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFramebufferAttachmentParameteriv(attachment)");
+ return;
+ }
/* the default / window-system FBO */
att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
}
}
else {
gl_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:
+ *
+ * "If pname is FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE.... If
+ * attachment is DEPTH_STENCIL_ATTACHMENT the query will fail and
+ * generate an INVALID_OPERATION error.
+ */
+ if (_mesa_is_gles3(ctx) && attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFramebufferAttachmentParameteriv(cannot query "
+ "GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE of "
+ "GL_DEPTH_STENCIL_ATTACHMENT");
+ return;
+ }
+
if (format == MESA_FORMAT_S8) {
/* special cases */
*params = GL_INDEX;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
switch (target) {
GL_DEPTH_BUFFER_BIT |
GL_STENCIL_BUFFER_BIT);
const struct gl_framebuffer *readFb, *drawFb;
- const struct gl_renderbuffer *colorReadRb, *colorDrawRb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
if (MESA_VERBOSE & VERBOSE_API)
/* get color read/draw renderbuffers */
if (mask & GL_COLOR_BUFFER_BIT) {
- colorReadRb = readFb->_ColorReadBuffer;
- colorDrawRb = drawFb->_ColorDrawBuffers[0];
+ 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:
*
* the read and draw framebuffers, the corresponding bit is silently
* ignored."
*/
- if ((colorReadRb == NULL) || (colorDrawRb == NULL)) {
- colorReadRb = colorDrawRb = NULL;
- mask &= ~GL_COLOR_BUFFER_BIT;
+ if (!colorReadRb || numColorDrawBuffers == 0) {
+ mask &= ~GL_COLOR_BUFFER_BIT;
}
- else if (!compatible_color_datatypes(colorReadRb->Format,
- colorDrawRb->Format)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(color buffer datatypes mismatch)");
- return;
+ 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_LINEAR) {
+ /* 3.1 spec, page 199:
+ * "Calling BlitFramebuffer will result in an INVALID_OPERATION error
+ * if filter is LINEAR 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;
+ }
+ }
}
}
- else {
- colorReadRb = colorDrawRb = NULL;
- }
if (mask & GL_STENCIL_BUFFER_BIT) {
struct gl_renderbuffer *readRb =
if ((readRb == NULL) || (drawRb == NULL)) {
mask &= ~GL_STENCIL_BUFFER_BIT;
}
- else 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,
- "glBlitFramebufferEXT(stencil buffer size mismatch)");
- return;
+ 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 ((readRb == NULL) || (drawRb == NULL)) {
mask &= ~GL_DEPTH_BUFFER_BIT;
}
- else 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,
- "glBlitFramebufferEXT(depth buffer format mismatch)");
- return;
+ 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 (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) {
- /* src and dest region sizes must be the same */
- if (abs(srcX1 - srcX0) != abs(dstX1 - dstX0) ||
- abs(srcY1 - srcY0) != abs(dstY1 - dstY0)) {
+ 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,
- "glBlitFramebufferEXT(bad src/dst multisample region sizes)");
+ "glBlitFramebuffer(destination samples must be 0)");
return;
}
- /* color formats must match */
- if (colorReadRb &&
- colorDrawRb &&
- !compatible_resolve_formats(colorReadRb, colorDrawRb)) {
+ /* 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,
- "glBlitFramebufferEXT(bad src/dst multisample pixel formats)");
+ "glBlitFramebuffer(bad src/dst multisample region)");
return;
}
- }
-
- if (filter == GL_LINEAR && (mask & GL_COLOR_BUFFER_BIT)) {
- /* 3.1 spec, page 199:
- * "Calling BlitFramebuffer will result in an INVALID_OPERATION error
- * if filter is LINEAR and read buffer contains integer data."
- */
- GLenum type = _mesa_get_format_datatype(colorReadRb->Format);
- if (type == GL_INT || type == GL_UNSIGNED_INT) {
+ } else {
+ if (readFb->Visual.samples > 0 &&
+ drawFb->Visual.samples > 0 &&
+ readFb->Visual.samples != drawFb->Visual.samples) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(integer color type)");
+ "glBlitFramebufferEXT(mismatched samples)");
return;
}
+
+ /* extra checks for multisample copies... */
+ if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
+ /* 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) {
/* 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,
}
printf("\n");
- 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);
+ /* 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");
}
- printf("\n");
}
}
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);
0, 0, MAX_VIEWPORT_WIDTH, MAX_VIEWPORT_HEIGHT,
"glInvalidateFramebuffer");
}
+
+void GLAPIENTRY
+_mesa_DiscardFramebufferEXT(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments)
+{
+ struct gl_framebuffer *fb;
+ GLint i;
+
+ GET_CURRENT_CONTEXT(ctx);
+
+ fb = get_framebuffer_target(ctx, target);
+ if (!fb) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glDiscardFramebufferEXT(target %s)",
+ _mesa_lookup_enum_by_nr(target));
+ return;
+ }
+
+ if (numAttachments < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glDiscardFramebufferEXT(numAttachments < 0)");
+ return;
+ }
+
+ for (i = 0; i < numAttachments; i++) {
+ switch (attachments[i]) {
+ case GL_COLOR:
+ case GL_DEPTH:
+ case GL_STENCIL:
+ if (_mesa_is_user_fbo(fb))
+ goto invalid_enum;
+ break;
+ case GL_COLOR_ATTACHMENT0:
+ case GL_DEPTH_ATTACHMENT:
+ case GL_STENCIL_ATTACHMENT:
+ if (_mesa_is_winsys_fbo(fb))
+ goto invalid_enum;
+ break;
+ default:
+ goto invalid_enum;
+ }
+ }
+
+ if (ctx->Driver.DiscardFramebuffer)
+ ctx->Driver.DiscardFramebuffer(ctx, target, numAttachments, attachments);
+
+ return;
+
+invalid_enum:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glDiscardFramebufferEXT(attachment %s)",
+ _mesa_lookup_enum_by_nr(attachments[i]));
+}