diff options
Diffstat (limited to 'mesalib/src/mesa/main/fbobject.c')
| -rw-r--r-- | mesalib/src/mesa/main/fbobject.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c index d558d7f87..aa8ba1882 100644 --- a/mesalib/src/mesa/main/fbobject.c +++ b/mesalib/src/mesa/main/fbobject.c @@ -685,6 +685,9 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx, assert(_mesa_is_user_fbo(fb)); + /* we're changing framebuffer fields here */ + FLUSH_VERTICES(ctx, _NEW_BUFFERS); + numImages = 0; fb->Width = 0; fb->Height = 0; @@ -3006,3 +3009,144 @@ _mesa_FramebufferTextureFaceARB(GLenum target, GLenum attachment, "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"); +} |