Module: Mesa Branch: master Commit: b31a99367ca374e58ce8dda8a826e71fa9a922f3 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b31a99367ca374e58ce8dda8a826e71fa9a922f3
Author: Eric Anholt <[email protected]> Date: Mon Apr 18 10:53:06 2011 -0700 mesa: Add renderbuffer accessors for A, I, L, FLOAT32. Of these, intel will be using I and L initially, and A once we rewrite fragment shaders and the CC for rendering to it as R. Reviewed-by: Brian Paul <[email protected]> --- src/mesa/main/renderbuffer.c | 218 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 218 insertions(+), 0 deletions(-) diff --git a/src/mesa/main/renderbuffer.c b/src/mesa/main/renderbuffer.c index fce70d4..8b9033f 100644 --- a/src/mesa/main/renderbuffer.c +++ b/src/mesa/main/renderbuffer.c @@ -1110,6 +1110,194 @@ get_values_rg1616(struct gl_context *ctx, struct gl_renderbuffer *rb, } /********************************************************************** + * Functions for MESA_FORMAT_INTENSITY_FLOAT32. + */ +static void +get_row_i_float32(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint count, GLint x, GLint y, void *values) +{ + const GLfloat *src = rb->GetPointer(ctx, rb, x, y); + GLfloat *dst = values; + GLuint i; + + for (i = 0; i < count; i++) { + dst[i * 4 + RCOMP] = + dst[i * 4 + GCOMP] = + dst[i * 4 + BCOMP] = + dst[i * 4 + ACOMP] = src[i]; + } +} + +static void +get_values_i_float32(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint count, const GLint x[], const GLint y[], + void *values) +{ + GLfloat *dst = values; + GLuint i; + + for (i = 0; i < count; i++) { + const GLfloat *src = rb->GetPointer(ctx, rb, x[i], y[i]); + dst[i * 4 + RCOMP] = + dst[i * 4 + GCOMP] = + dst[i * 4 + BCOMP] = + dst[i * 4 + ACOMP] = src[0]; + } +} + +/********************************************************************** + * Functions for MESA_FORMAT_LUMINANCE_FLOAT32. + */ +static void +get_row_l_float32(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint count, GLint x, GLint y, void *values) +{ + const GLfloat *src = rb->GetPointer(ctx, rb, x, y); + GLfloat *dst = values; + GLuint i; + + for (i = 0; i < count; i++) { + dst[i * 4 + RCOMP] = + dst[i * 4 + GCOMP] = + dst[i * 4 + BCOMP] = src[i]; + dst[i * 4 + ACOMP] = 1.0; + } +} + +static void +get_values_l_float32(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint count, const GLint x[], const GLint y[], + void *values) +{ + GLfloat *dst = values; + GLuint i; + + for (i = 0; i < count; i++) { + const GLfloat *src = rb->GetPointer(ctx, rb, x[i], y[i]); + dst[i * 4 + RCOMP] = + dst[i * 4 + GCOMP] = + dst[i * 4 + BCOMP] = src[0]; + dst[i * 4 + ACOMP] = 1.0; + } +} + +/********************************************************************** + * Functions for MESA_FORMAT_ALPHA_FLOAT32. + */ +static void +get_row_a_float32(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint count, GLint x, GLint y, void *values) +{ + const GLfloat *src = rb->GetPointer(ctx, rb, x, y); + GLfloat *dst = values; + GLuint i; + + for (i = 0; i < count; i++) { + dst[i * 4 + RCOMP] = 0.0; + dst[i * 4 + GCOMP] = 0.0; + dst[i * 4 + BCOMP] = 0.0; + dst[i * 4 + ACOMP] = src[i]; + } +} + +static void +get_values_a_float32(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint count, const GLint x[], const GLint y[], + void *values) +{ + GLfloat *dst = values; + GLuint i; + + for (i = 0; i < count; i++) { + const GLfloat *src = rb->GetPointer(ctx, rb, x[i], y[i]); + dst[i * 4 + RCOMP] = 0.0; + dst[i * 4 + GCOMP] = 0.0; + dst[i * 4 + BCOMP] = 0.0; + dst[i * 4 + ACOMP] = src[0]; + } +} + +static void +put_row_a_float32(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint count, GLint x, GLint y, + const void *values, const GLubyte *mask) +{ + float *dst = rb->GetPointer(ctx, rb, x, y); + const float *src = values; + unsigned int i; + + if (mask) { + for (i = 0; i < count; i++) { + if (mask[i]) { + dst[i] = src[i * 4 + ACOMP]; + } + } + } + else { + for (i = 0; i < count; i++) { + dst[i] = src[i * 4 + ACOMP]; + } + } +} + +static void +put_mono_row_a_float32(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint count, GLint x, GLint y, + const void *value, const GLubyte *mask) +{ + float *dst = rb->GetPointer(ctx, rb, x, y); + const float *src = value; + unsigned int i; + + if (mask) { + for (i = 0; i < count; i++) { + if (mask[i]) { + dst[i] = src[ACOMP]; + } + } + } + else { + for (i = 0; i < count; i++) { + dst[i] = src[ACOMP]; + } + } +} + +static void +put_values_a_float32(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint count, const GLint x[], const GLint y[], + const void *values, const GLubyte *mask) +{ + const float *src = values; + unsigned int i; + + for (i = 0; i < count; i++) { + if (!mask || mask[i]) { + float *dst = rb->GetPointer(ctx, rb, x[i], y[i]); + + *dst = src[i * 4 + ACOMP]; + } + } +} + +static void +put_mono_values_a_float32(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint count, const GLint x[], const GLint y[], + const void *value, const GLubyte *mask) +{ + const float *src = value; + unsigned int i; + + for (i = 0; i < count; i++) { + if (!mask || mask[i]) { + float *dst = rb->GetPointer(ctx, rb, x[i], y[i]); + *dst = src[ACOMP]; + } + } +} + +/********************************************************************** * Functions for MESA_FORMAT_R_FLOAT32. */ static void @@ -1337,6 +1525,36 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb) rb->PutMonoValues = put_mono_values_generic; break; + case MESA_FORMAT_INTENSITY_FLOAT32: + rb->GetRow = get_row_i_float32; + rb->GetValues = get_values_i_float32; + rb->PutRow = put_row_generic; + rb->PutRowRGB = NULL; + rb->PutMonoRow = put_mono_row_generic; + rb->PutValues = put_values_generic; + rb->PutMonoValues = put_mono_values_generic; + break; + + case MESA_FORMAT_LUMINANCE_FLOAT32: + rb->GetRow = get_row_l_float32; + rb->GetValues = get_values_l_float32; + rb->PutRow = put_row_generic; + rb->PutRowRGB = NULL; + rb->PutMonoRow = put_mono_row_generic; + rb->PutValues = put_values_generic; + rb->PutMonoValues = put_mono_values_generic; + break; + + case MESA_FORMAT_ALPHA_FLOAT32: + rb->GetRow = get_row_a_float32; + rb->GetValues = get_values_a_float32; + rb->PutRow = put_row_a_float32; + rb->PutRowRGB = NULL; + rb->PutMonoRow = put_mono_row_a_float32; + rb->PutValues = put_values_a_float32; + rb->PutMonoValues = put_mono_values_a_float32; + break; + case MESA_FORMAT_RG_FLOAT32: rb->GetRow = get_row_rg_float32; rb->GetValues = get_values_rg_float32; _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
