diff options
Diffstat (limited to 'src/gallium/state_trackers/vega/shader.c')
| -rw-r--r-- | src/gallium/state_trackers/vega/shader.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/src/gallium/state_trackers/vega/shader.c b/src/gallium/state_trackers/vega/shader.c index 080b37c586..39c4bb0dfd 100644 --- a/src/gallium/state_trackers/vega/shader.c +++ b/src/gallium/state_trackers/vega/shader.c @@ -38,12 +38,14 @@ #include "pipe/p_state.h" #include "util/u_inlines.h" #include "util/u_memory.h" +#include "util/u_math.h" -#define MAX_CONSTANTS 20 +#define MAX_CONSTANTS 28 struct shader { struct vg_context *context; + VGboolean color_transform; VGboolean masking; struct vg_paint *paint; struct vg_image *image; @@ -72,6 +74,11 @@ void shader_destroy(struct shader *shader) FREE(shader); } +void shader_set_color_transform(struct shader *shader, VGboolean set) +{ + shader->color_transform = set; +} + void shader_set_masking(struct shader *shader, VGboolean set) { shader->masking = set; @@ -94,10 +101,25 @@ struct vg_paint * shader_paint(struct shader *shader) static VGint setup_constant_buffer(struct shader *shader) { + const struct vg_state *state = &shader->context->state.vg; VGint param_bytes = paint_constant_buffer_size(shader->paint); + VGint i; + param_bytes += sizeof(VGfloat) * 8; assert(param_bytes <= sizeof(shader->constants)); - paint_fill_constant_buffer(shader->paint, shader->constants); + + if (state->color_transform) { + for (i = 0; i < 8; i++) { + VGfloat val = (i < 4) ? 127.0f : 1.0f; + shader->constants[i] = + CLAMP(state->color_transform_values[i], -val, val); + } + } + else { + memset(shader->constants, 0, sizeof(VGfloat) * 8); + } + + paint_fill_constant_buffer(shader->paint, shader->constants + 8); return param_bytes; } @@ -227,6 +249,9 @@ static void setup_shader_program(struct shader *shader) } } + if (shader->color_transform) + shader_id |= VEGA_COLOR_TRANSFORM_SHADER; + if (shader->masking) shader_id |= VEGA_MASK_SHADER; |